http://www.mmotors.bg Products of MMotors.bg in English http://www.mmotors.bg/en/products/FANS/38/SUPPLY-VENTILATION-UNIT.html FRESH AIR AND HEAT RECOVERY “Eco-Fresh”  is designed for the ventilation of homes and office premises. It is a true novelty by its compact  size and unique combination of four key features in one easy to use system: -          IT DRAWS IN AND THOROUGHLY FILTERS FRESH OUTSIDE AIR IN YOUR PREMISES; -          IT HEATS UP THE FRESH AIR INFLOW TO ROOM TEMPERATURE; -          IT REDUCES EXCESS INDOOR HUMIDITY, PREVENTING MILDEW AND MOULD GROWTH;  -           IT IONIZES THE HEATED AND FILTERED FRESH AIR.    “Eco-Fresh”  is a better and healthier approach to ventilation of your home or office. The heated and filtered air is also ionized which has both an antiseptic and refreshing effect on your environment. It provides clean air solution for allergies and asthma, while being an important factor for energizing the body.    “Eco-Fresh”  has a very quiet operation, and has an effective barrier to outside noise. http://www.mmotors.bg/en/products/FANS/39/MM---Gold.html ÌÌ - (Basic Fan) - Ø100 (105m3/h), With square or round grille, Back-shutter; ÌÌ-Ò - (Timer Fan) The fan  will operate when the  light switch is switched on or from  a separate pull-cord switch. The built-in timer will ensure operation for five minutes after the light is switched off.   - Ø100 (105m3/h), With square or round grille, Back-shutter; MM T-HCS – (Humidistat & Timer) The fan will operate when it is switched on or when the humidity in the premises reaches over 70%. The timer ensures operation for five  minutes after the humidity falls below 70%.      - Ø100 (105m3/h), With square or round grille, Back-shutter;                 MM LRT – (With Light Relay & Timer) The fan will operate when the room is lit while the built-in timer ensures operation for five minutes after the light is switched off.              - Ø100 (105m3/h), With square or round grille, Back-shutter;                                                                                                                                                                               ÌÌ - Spigot Length - - Ø100 (105m3/h), With square or round grille, Back-shutter; Protection Degree: IPX4    5 Year Guarantee     http://www.mmotors.bg/en/products/FANS/40/ÌÌ-LUX.html MM-LUX series: ÌÌ - (Basic Fan) - Ø100 (110m3/h), with back-shutter; ÌÌ LUX-Ò - Timer Fan - Ø100 (110m3/h), with back-shutter ( The fan  will operate when the light switch is switched on or froma separate pull-cord switch. The built-in timer will ensure operation for 5 minutes after the light is switched off. ); MM LUX T-HCS - Humidistat & Timer - Ø100 (110m3/h), with back-shutter ( The fan will operate when its switched on or when the humidity in the premises reaches over 70%. The timer ensures operation for 5 minutes after the humidity is reduced below 70%. ); MM LUX- LRT - Light Relay & Timer  - Ø100 (110m3/h), with back-shutter ( The fan will operate when the room is lit while the built-in timer ensures operation for 5 minutes after the light is off. ). Protection degree: IPX4 5 Years guarantee! http://www.mmotors.bg/en/products/FANS/41/DOMESTIC-RANGE,-OK-series.html http://www.mmotors.bg/en/products/FANS/42/MM-LUX-GOLD.html   MM-LUX GOLD series: With GOLDEN GRILLE!Ø100 (110m3/h), with back-shutter; Protection degree: IPX4 5 Years guarantee! http://www.mmotors.bg/en/products/FANS/32/.html http://www.mmotors.bg/en/products//35/MM-2-Supply-Ventilation-Unit.html It cannot be stressed enough how important is ventilation for every home or occupational work environment where most people spend 90% of their lives. Good ventilation is as important for the premises we live and work in, as fresh air is a necessity for our good health.   The MM2-MG Supply Ventilation Unit is specially designed for the Maltese and Gozo’s buildings. Quiet and discrete it draws in fresh outside air, thoroughly filtered through charcoal filter and finally ionized for healthier indoor environment.   The MM2-MG Supply Ventilation Unit is a better and healthier approach to ventilation of your home or office. It is fitted with a Humidity Control system and timer which keeps the humidity below 70%, to prevent the formation of mould and mildew.   The filtered air passes through an ionizer, filling the air with negative ions which kills harmful viruses and bacteria. The ionized air has a refreshing effect to your environment and is an important factor for regaining body energy, providing clean air solution for allergies and asthma. http://www.mmotors.bg/en/products/ELECTRIC-MOTORS/8/Single-phase-Electric-motors.html Three-phase induction motors MA series Single-phase induction motors MR, MRS series The induction motors MA, MR and MRS series are designed for general purpose. They areSelf-ventilated; the frame size 56 mm, 63 mm, 71 mm, 80 mm, 90 mm and 100 mm. The series are designated as follows: MA series - three-phase induction motorsMR series – single-phase induction motorsWith running capacitorMRS series-phase induction motors With running and starting capacitor. BASIC CHARACTERISTICDuty Cycle: S1Power supply:-Three-phase: 400/230 V /50Hz-Single-phase 220~240 V/50Hz Design for other voltage and frequencies is possibleProtection Degree: IP 54Insulation Class: “F”Standard forms: B3, B5, B14, B3/B5, and B3/B14 OPERATING CONDITIONSThe motors are designed to operate in Temperature Climate (Class “N”) at temperatures from -25 to + 40 degrees Celsius,Maximum altitude (above sea level) 1000m, and maximum relative humidity 85%.STANDARDS:ICE: 34-1; 72-1; 34-8; 34-7; 34-6; 34-9; 34-14; 38. DIN VDE: 0530 Teil1; 42673 Teil1; 42677 Teil1; 0530 Teil8;0530 Teil7; 0530 Teil5; DIN ISO 2372; DIN 748 Teil3; DIN IEC 34 Teil6; DIN IEC 38 Teil9; 0530 Teil14. ÁÄÑ IEC: 180-91; 10881-85; 34-8; 34-7; 34-6; 34-5; 34-14.ÁÄÑ: 8707-84; 1014-82; 7100-80; 4167-85. http://www.mmotors.bg/en/products/FANS/22/ABOUT-VENTILATION.html http://www.mmotors.bg/en/products/FANS/1/DOMESTIC-RANGE,-MM---LONG-life.html   The MM Series axial fans are suitable for a wide range of domestic applications including bathrooms, shower rooms, toilets, cloakrooms, including zones 1 & 2. Also suitable for small to medium living, administrative or commercial premises. All our MM series are fitted with noiseless high efficiency double insulated motors, which are totally maintenance free and sealed for life. The embedded Long Life double capsulated ballbearings guarantee smooth running for over 30 000 hours of continuous operation.  The degree of protection IP 44 provides safe and reliable operation in high humidity and aggressive environment. Stylish and easy to install, the MM series fans are available in a variety of operational specifications, while also our production process enables almost unlimited flexibility to adjust our products in compliance with the specific requirements of our customers. If you need a fan for your sauna or steam room, please look at our High Temperature MM-S series.   http://www.mmotors.bg/en/products/ELECTRIC-MOTORS/13/A.C.-MOTORS-WITH-BUILT-IN-ELECTROMAGNETIC-BRAKES.html A.C. MOTORS WITH BUILT IN ELECTROMAGNETIC BRAKES All motors produced by MMotors JSC, can be made with built in electromagnetic brake. DESCRIPTIONElectromagnetic brake contains: back shield from ferromagnetic material with winding; magnetic armature; fan with braking disk; springs; adjustment screw and rectifier. http://www.mmotors.bg/en/products/FANS/23/MM-T-with-timer.html Timer Model ÌÌ-Ò The fan  will operate when the light switch is switched on or froma separate pull-cord switch. The built-in timer will ensure operation for 5 minutes after the light is switched off. Options: • Connects to the light switch or to a separate pull-cord switch;• With integrated sensor cord switch; • With integrated infra-red switch.   - With square grille;   - With or without anti-back draught shutter.  http://www.mmotors.bg/en/products/FANS/26/MM-LRT-with-light-relay--timer.html With Light Relay and Timer - MM-LRT The fan will operate when the room is lit while the built-in timer ensuresoperation for 5 minutes after the light is off. Options: - With square grille;- With or without anti-back draught shutter.                http://www.mmotors.bg/en/products/FANS/12/SPECIAL-APLICATIONS-VA-series.html  Designed for:- cooling of electronic control panels;  - ventilation of electrical panels;- installation in devices in electronics, appliance constructionand automation;- cooling of welding machines and plasm cutting machines;- installation in cooling and ventilation systems and air-conditioning devices;- installation in household air heaters and heat exchangers.   Axial fans fall into the following categories:BA 9/2, BA 12/2, BA 12/2K, BA 14/2, BA 16/2     The double capsulated ball bearings guarantee 30,000 hours of flawless operation All fans of this type have a built-in single-phase electric motors with shielded poles and ashort-circuited rotor with double capsulated ball bearings. The fan is square in shape withinternally located fins to which the stator is attached. The VA series axial fans are suitable to be to fitted to apertures and air conduits with Ø90, Ø100, Ø120, Ø135 and Ø150.They can be produce with supply voltages 220V, 115V, 36V or 24V, at frequency of 50Hz or 60Hz. Isolation class: “H” - 180 degrees Celsius or “L” - 200 degrees Celsius.Protection degree: IP 44. Operating conditions: The fans are designed to operate under normal climatic conditions where the ambient temperature  can vary from -5 degrees Celsius up to +60 degrees Celsius and a relative humidity from 40% to 98% at 30 degrees Celsius.Upon clients’ request the fans can be manufactured to operate at higher temperatures,in tropical or coastal climatic zones. http://www.mmotors.bg/en/products/FANS/27/MM-T-HCS-with-humidity-control-system.html With humidity control system and Timer MM T-HCS The fan will operate when its switched on or when the humidity in the premises reaches over 70%. The timer ensures operation for 5 minutes after the humidity is reduced below 70%. Options: • Connects to the light switch or to a separate pull-cord switch;             • With integrated sensor cord switch;• With integrated infra-red switch.   - With square grille;   - With or without anti-back draught shutter. http://www.mmotors.bg/en/products/FANS/19/MM-S-for-sauna--steam-room.html LONG LIFE High Temperature Fans MM-S series FOR SAUNA AND STEAM ROOM   In a sauna, you expose yourself to a high temperature for a long enough time to cause perspiration. This perspiration causes the release of skin impurities, bacteria's and toxins in the air, which are unpleasant and harmful to inhale.  To ensure a healthy and enjoyable sauna you must have a good ventilation system in the place. The efficient sauna ventilation speeds up the body's self curative system and its ability to regain energy. Our specially designed ventilators for sauna and steam room operate at temperatures up to 1500C and at 100% humidity. The body, the vane and the back shutter are made from Glass  Filled Polyamide resisting temperature of 2000C, which allows the fan to be mounted within the sauna or steam room. The totally reliable double insulated electric motor and the special high temperature double  capsulated ball bearings, guarantee 30 000 hours flawless operation of the fan whether mounted horizontally or vertically.   http://www.mmotors.bg/en/products/FANS/25/MM-2S-Two-speed-fans.html ULTRA QUIET TOP ECONOMICAL FAN Ø123mm /ÌÌ120-2S/ and Ø155mm /ÌÌ150-2S/ The embedded Long Life double capsulated ballbearings guarantee smooth running for over 30 000 hours of continuous operation http://www.mmotors.bg/en/products/FANS/14/MM-W-windows-extract-fans.html   MM-W are designed for continous or timed ventilation of small and medium size living premises, as well as sanitary and sales premises. They are mounted onto walls, window and etc. The body is manufactured from high-quality plastic material. An efficient shutter is provided, wich prevents the inflow of cold air, when the device is not operating.The double capsulated ball-bearing of the electrical motor guarantee 30 000 hours flowless operation of the device when mounted in a horizontal or vertical position.The IP 44 protection degree allows the ventilator to operate in high humidity and aggressive envionment.Standart for quality: The product corresponds to the international standard of quality ISO 9001. All components are checked up and tested at the end of the productuion process. The windows fans serial MM-W are offered in four modifications: Base model With timer - circuit. The ventilator starts to operate as the switch is switched on and the built-in timer ensures operation for 5 minutes after the light is turned off. With light relay and timer. The ventilator starts to operate when the light is switched on and the built-in timer ensures operation for 5 minutes after the light is turned off. The aspirator, which is equipped with a humidity indicator and a timer switches on: When the humidity in the premises reaches over 70% the built-in timer ensures operation for 5 min. after the humidity is reduced below 70%. manually at any time, the timer ensures operation for 5 minutes after the light is turned off and humidity is below 70%.  The aspirator can be built with a Humidity Control System, Light Relay and Timer. In this model the Light Relay replaces the electric switch. http://www.mmotors.bg/en/products/ELECTRIC-MOTORS/30/Prenium-efficiency-IE2--IE3.html HIGH EFFICIENCY THREE-PHASE INDUCTION MOTORS IE2 IEC 60034-30                           DIN EN 60034-30 The IE2 class (IEC 60034-30 and DIN EN 60034-30), will operate in EU and USA from 16.06. 2011. MMotors can offer you these electric motors right now. NOTE: 1.  All overall and joining dimensions correspond to DIN 0530 and are listed in the main catalogue. 2.  The missing powers in the table are being developed currently. PREMIUM EFFICIENCY THREE-PHASE INDUCTION MOTORS IE3 IEC 60034-30                           DIN EN 60034-30 The IE3 class (IEC 60034-30 and DIN EN 60034-30), will operate in EU and USA from 01.01. 2015. MMotors can offer you these electric motors right now. NOTE: 1.  All overall and joining dimensions correspond to DIN 0530 and are listed in the main catalogue. 2.  The missing powers in the table are being developed currently. http://www.mmotors.bg/en/products/FANS/21/High-Temperature-Resistant.html LONG LIFE Heat Resistant In-line Axial Fans - VO and VOK series   The VO series In-line axial fans have equally sectioned cylinder shape, which makes it suitable to be fitted in air ducts or vent openings, while the VOK series have an outer rim of the cylinder making it ideal for connecting air ducts. The VO and VOK Series high temperature fans are designed to resist up to 1500C.  They can be fitted in hot air distribution ductwork system connected to fireplaces and other heating installations. As an additional feature the fan can be equipped with a thermostat which automatically turns on the unit when the temperature reaches 500C and turns offwhen it drops to 350C.                                                    The body, the turbine, and the back shutter of the VO and VOKseries heat resistant fans are manufactured from aluminum alloy providing efficient cooling and fire safety, while the noiseless andhighly efficient electric motors are sealed for life and totally maintenance free. The fan is equipped with a special shutter which protects it from overheating in case of sudden power cut. The embedded heat resistant Long Life double capsulated ball bearings guarantee smooth operation for over 30 000 hours of continuous usage. As an additional accessories are offered decorative grillesmade from Glass-Filled Polyamide resisting 2000C.         http://www.mmotors.bg/en/products/FANS/2/IN-LINE-AXIAL-FANS-VOK--VO.html Designed for ventilation of small and medium-sized  living, sanitary or commercial premises. Suitable for walls and ceilings. Our In-line axial fans are manufactured in two series - VO and VOK to fit vent openings with the following adjusting dimensions: Ø 90, Ø 100, Ø 110, Ø 120, Ø 130, Ø 135, Ø 150. In-line axial fans, VO and VOK series The VO series In-line fans have equally sectioned cylinder shape, which makes it suitable to be fitted in air ducts or vent openings, while the VOK series have an outer rim of the cylinder making it ideal for connecting air ducts.   The VO and VOK series come with or without back shutter to prevent inflow of cold air and insects when the fan is switched off.   The noiseless and highly efficient electric motors of our ventilators are sealed for life  and are totally maintenance free. The embedded Long Life double capsulated bearings guarantee no quibble and smooth operation for over 30 000 hours of continuous usage.   The body, the turbine, and the back shutter are manufactured from  aluminum alloy or glass-filled Polyamide.   The body of the motor is manufactured from aluminum or a heat-resistant material which guarantees efficient cooling and higher fire safety.   The IP 44-degree protection allows the ventilator to operate in conditions of high humidity and aggressive environment.  The in-line axial fans can be mounted in or between air ducts, in walls, ceilings, suspending ceilings. They are perfect  to be used as extractor fans, as well as heat exangers between neighboring premises. The double capsulated ball bearings guarantee 30,000 hours of flawless operation. http://www.mmotors.bg/en/products/FANS/5/DOMESTIC-RANGE,-ÌÒ-series.html The MT Series axial fans are suitable  for continuous or intermittent ventilation of bathrooms, shower rooms, toilets,cloakrooms, including zones 1 & 2. Also suitable for small to medium living, administrative or commercial premises. They can be mounted on walls, ceilings, ceiling panels with Ø100 vent openings.  The MT series is designed to operate in climatic zone N with temperatures between (-10 to +40°C). The degree of protection is IP 44. Upon customers request all fans can be produced in any RAL color code.    http://www.mmotors.bg/en/products/FANS/6/INDUSTRIAL-FANS,-PVO-Series.html The PVO series are:       - High Flow Rate PVO154/2; PVO 200/2; PVO 250/2; PVO 300/2      - Low Noise PVO154/4; PVO 200/4; PVO 250/4; PVO 300/4; PVO 350/4      - Noiseless PVO 200/6; PVO 250/6; PVO 300/6; PVO 350/6 TECHNICAL DESCRIPTION Designed for continues or intermittent ventilation of medium and big-size living, administrative, commercial, industrial and agriculture premises. Operating in conditions of normal fire risk, according to fire-safety building and construction regulations. They can be mounted on walls, ceilings, ceiling panels etc. The PVO series fans are constructed with noiseless asynchronous motor with double capsulated ball bearings, which guarantees 30 000 hours of flawless operation of the ventilator, whether mounted in horizontal or vertical position. The protection degree is IP 54, and upon costumer’s request can be manufactured to IP 55, which allows the ventilator to operate not only in closed premises, but in aggressive outdoor high humidity environment. The measured level of noise is 70dB. http://www.mmotors.bg/en/products/ELECTRIC-MOTORS/7/Three-phase-Electric-motors.html Three-phase induction motors MA series Single-phase induction motors MR, MRS series The induction motors MA, MR and MRS series are designed for general purpose. They areSelf-ventilated; the frame size 56 mm, 63 mm, 71 mm, 80 mm, 90 mm and 100 mm. The series are designated as follows: MA series - three-phase induction motorsMR series – single-phase induction motorsWith running capacitorMRS series-phase induction motors With running and starting capacitor. BASIC CHARACTERISTICDuty Cycle: S1Power supply:-Three-phase: 400/230 V /50Hz-Single-phase 220~240 V/50Hz Design for other voltage and frequencies is possibleProtection Degree: IP 54Insulation Class: “F”Standard forms: B3, B5, B14, B3/B5, and B3/B14 OPERATING CONDITIONSThe motors are designed to operate in Temperature Climate (Class “N”) at temperatures from -25 to + 40 degrees Celsius,Maximum altitude (above sea level) 1000m, and maximum relative humidity 85%.STANDARDS:ICE: 34-1; 72-1; 34-8; 34-7; 34-6; 34-9; 34-14; 38. DIN VDE: 0530 Teil1; 42673 Teil1; 42677 Teil1; 0530 Teil8;0530 Teil7; 0530 Teil5; DIN ISO 2372; DIN 748 Teil3; DIN IEC 34 Teil6; DIN IEC 38 Teil9; 0530 Teil14. ÁÄÑ IEC: 180-91; 10881-85; 34-8; 34-7; 34-6; 34-5; 34-14.ÁÄÑ: 8707-84; 1014-82; 7100-80; 4167-85. http://www.mmotors.bg/en/products/ELECTRIC-MOTORS/9/Non-standard-Electric-motors.html Type Power Supply volatage Consumedcurrent Rotationalspeed Cos Startingtorque Capacitors - W V/Hz A min-1 - N.m µF/V XA 120 3/4 120 220/50 1.2 1400 0.96 - 6/450 GD 190/4 190 230/50 1.2 1420 0.95 Min 1.35 14/450  R80-2/057C 570  230/50 2,5 2740 0,99 Min 0,75 12/450  R80-2/080C  800  230/50 3,5 2800 0,99 Min 0,65 12/450  R80-2/050L  520  230/50 2,3 2800 0,99 Min 0,85 12/450     XA 120 R80 - 2 GD 190/4 http://www.mmotors.bg/en/products/FANS/24/MM2-Extractor-fans.html The domestic fan MM2 is designed especially for Malta and Gozo, providing ventilation solution for the specific interior and exterior of its traditional way of building.   The MM 2 series fans are designed for continuous or intermittent ventilation of small and medium-sized living, bathroom or lavatory areas as well as office and sales premises.   MM2 consists of two noiseless extractor fans, fitted with SKF or NSK (Japan) double capsulated ball bearings which guarantee 30 000 hours of continuous operation.   The degree of protection IP X4 provides safe and reliable operation in high humidity and aggressive environment. Standard model - MM2   The MM2 can be mounted on walls and ceilings to extract air directly into the atmosphere or alternatively can be connected to ductwork with limited length. Connects to the light switch. - With or without anti-back draught shutter With Integrated sensor cord switch MM2-C   The fan will switch on/off each time the integrated sensor cord is touched.   - With or without anti-back draught shutter With Humidity Control System and Timer MM2 T-HCS   The fan will operate when it is switched on or when the humidity in the premises reaches over 70-75%. The timer ensures operation for five minutes after the humidity falls below 70-75%.          - With or without anti-back draught shutter http://www.mmotors.bg/en/products/FANS/15/MT-2S-Two-speed-fans.html ULTRA QUIET TOP ECONOMICAL FAN The MT-2S fan can be fitted in Ø100 mm vent opening in walls, ceilings, ceiling panels etc. It is designed for continuous or intermitted ventilation of small and medium-size living, sanitary or sales premises. Suitable for use as heat exchanger between neighboring rooms. The MT-2S fan operates with remarkable quietness at less than 13 dB in moderate operation mode.It's incredible low consumption of 4 Watts in  moderate operation mode, allows 24 hours continuous operation to keep your premises fresh in all times. Upon customers request all fans can be produced in any RAL color code.   http://www.mmotors.bg/en/products/FANS/34/MM2-MG-Supply-Ventilation-Unit.html It cannot be stressed enough how important is ventilation for every home or occupational work environment where most people spend 90% of their lives. Good ventilation is as important for the premises we live and work in, as fresh air is a necessity for our good health.   The MM2-MG Supply Ventilation Unit is specially designed for the Maltese and Gozo’s buildings. Quiet and discrete it draws in fresh outside air, thoroughly filtered through charcoal filter and finally ionized for healthier indoor environment.   The MM2-MG Supply Ventilation Unit is a better and healthier approach to ventilation of your home or office. It is fitted with a Humidity Control system and timer which keeps the humidity below 70%, to prevent the formation of mould and mildew.   The filtered air passes through an ionizer, filling the air with negative ions which kills harmful viruses and bacteria. The ionized air has a refreshing effect to your environment and is an important factor for regaining body energy, providing clean air solution for allergies and asthma.   MM2-MG consists of the following components:   1. Outer grille - prevents the system of getting dump from splashes and rains.   2. Filters:    • Charcoal filter - guarantees fresh and filtered airflow in the premises even in heavy polluted areas. Thoroughly clears the air from smells, dust, burnt gas, bacteria etc.              • Fine filter - used in very dusty areas   The filter should be changed every 4 to 6 months in heavy polluted areas.    3. Ionizer - disinfects and cleans the air from dust and debris that can be harmful to breath or aggravate allergies. Prevents the formation of mould and mildew.   4. Fans - the supply fans are equipped with a regulator allowing to control the debit of the inflowing air and the noise level.   5. Decorative grille - can be white, inox or other colours.   6. Control unit – switches on off the speed regulator, the humidity control system and timer.    • Humidity Control System – switches the unit and increases the debit to maximum when the humidity reaches over 70-75%.   6.1. Regulator - gradually changes the rotational speed of the fan from 900 min-1 to 2650 min-1 and adjusts the flow rate from 30m³/h to 100m³/h.   6.2. Switches http://www.mmotors.bg/en/products/FANS/4/SUPPLY-VENTILATION-UNIT-“Eco-Fresh”-05.html FRESH AIR AND HEAT RECOVERY “Eco-Fresh” 05 is designed for the ventilation of homes and office premises. It is a true novelty by its compact  size and unique combination of four key features in one easy to use system: -          IT DRAWS IN AND THOROUGHLY FILTERS FRESH OUTSIDE AIR IN YOUR PREMISES; -          IT HEATS UP THE FRESH AIR INFLOW TO ROOM TEMPERATURE; -          IT REDUCES EXCESS INDOOR HUMIDITY, PREVENTING MILDEW AND MOULD GROWTH;  -           IT IONIZES THE HEATED AND FILTERED FRESH AIR.    “Eco-Fresh” 05 is a better and healthier approach to ventilation of your home or office. The heated and filtered air is also ionized which has both an antiseptic and refreshing effect on your environment. It provides clean air solution for allergies and asthma, while being an important factor for energizing the body.    “Eco-Fresh” 05 has a very quiet operation, and has an effective barrier to outside noise.  http://www.mmotors.bg/en/products/ACCESSORIES/10/Ventilation-grilles.html