Vacunair Engineering Co. Pvt. Ltd.For over a quarter century, [VACUNAIR] has been world leader in the design, engineering, manufacturing and service of industrial equipment. These products include Compressors, Vacuum Pumps, Blowers, Pneumatic Conveying System, Burners, Heaters for process other types waste heat applications. ....Address:Nr. Gujarat Bottling, Rakhial,Product/Service:Water Ring Vacuum Pump, OIL SEALED HIGH VACUUM PUMP, WATER RING VACUUM PUMP WITH AIR EJECTOR, CENTRIFUGAL AIR BLOWER, SIDE CHANNEL BLOWER, AXIAL FLOW FAN, VARIABLE INLET VANE DAMPER, TRIM HANDLING SYSTEM & SHREDDER CUM CONVEYING BLOW, PNEUMATIC CONVEYING SYSTEM, FLUX SUPPLY & RECOVERY UNIT, FULLY AUTOMATIC PRESSURE JET OIL / GAS / DUAL FUEL, LOW AIR PRESSURE OIL / GAS / DUAL FUEL BURNERS, FURNACE OIL HEATING PUMPING FILTERING UNIT, FURNACE OIL TANK HEATING SUCTION HEATER , VARIABLE INLET VANE DAMPER,WATER RING VACUUM PUMP,OIL SEALED HIGH VACUUM PUMP,FLUX SUPPLY & RECOVERY UNIT,CENTRIFUGAL AIR BLOWER,WATER RING VACUUM PUMP WITH AIR EJECTOR,SIDE CHANNEL BLOWER,AXIAL FLOW FAN,TRIM HANDLING SYSTEM & SHREDDER CUM CONVEYING BLOWER,PNEUMATIC CONVEYING SYSTEM,Fully Automatic Pressure Jet Oil / Gas / Dual Fuel Burners,Pneumatic Conveying System,Variable Inlet Vane Damper,Water Ring Vacuum Pump with Air Ejector,Oil Sealed High Vacuum Pump,,Water Ring Vacuum Pump, OIL SEALED HIGH VACUUM PUMP, WATER RING VACUUM PUMP WITH AIR EJECTOR, CENTRIFUGAL AIR BLOWER, SIDE CHANNEL BLOWER, AXIAL FLOW FAN, VARIABLE INLET VANE DAMPER, TRIM HANDLING SYSTEM & SHREDDER CUM CONVEYING BLOW, PNEUMATIC CONVEYING SYSTEM, FLUX SUPPLY & RECOVERY UNIT, FULLY AUTOMATIC PRESSURE JET OIL / GAS / DUAL FUEL, LOW AIR PRESSURE OIL / GAS / DUAL FUEL BURNERS, FURNACE OIL HEATING PUMPING FILTERING UNIT, FURNACE OIL TANK HEATING SUCTION HEATER , VARIABLE INLET VANE DAMPER,WATER RING VACUUM PUMP,OIL SEALED HIGH VACUUM PUMP,FLUX SUPPLY & RECOVERY UNIT,CENTRIFUGAL AIR BLOWER,WATER RING VACUUM PUMP WITH AIR EJECTOR,SIDE CHANNEL BLOWER,AXIAL FLOW FAN,TRIM HANDLING SYSTEM & SHREDDER CUM CONVEYING BLOWER,PNEUMATIC CONVEYING SYSTEM,Fully Automatic Pressure Jet Oil / Gas / Dual Fuel Burners,Pneumatic Conveying System,Variable Inlet Vane Damper,Water Ring Vacuum Pump with Air Ejector,Oil Sealed High Vacuum Pump,BLOWTECH ENGINEERING CO.,Blowtech engineeing company has been in operation since 1990. Its been manufacturing air blowers and exhaust fans for its esteemed customers in mumbai and also to Dubai, saudi arabia and masqat. Its know for its quality and prompt delivery..Address:Clare Road, BycullaProduct/Service:Manufacturers of centrifugal blowers and axial flow fan. All kinds of kitchen and ducting jobs undertaken. Pollution control systems ,,Manufacturers of centrifugal blowers and axial flow fan. All kinds of kitchen and ducting jobs undertaken. Pollution control systems ,Sun Multitek EnterprisesThis supplier has not provided a Company Introduction yet..Address:# 188 / 48, 3rd Main, 4th Block, RajajinagarProduct/Service:Air Cooling System Manufacturer,Axial Flow Fan Supplier,Air Filter Manufacturer,Evaporative Air Cooling System,Pollution Control Equipments Manufacturer,Auto & AC Spares, ,,Air Cooling System Manufacturer,Axial Flow Fan Supplier,Air Filter Manufacturer,Evaporative Air Cooling System,Pollution Control Equipments Manufacturer,Auto & AC Spares, ,Bimal EnterpriseThis supplier has not provided a Company Introduction yet..Address:83, Nalanda Complex, Premchand Nagar Road, SatelliteProduct/Service:Axial Flow Fan,Exhaust Fan,Ventilation Fan,Man Coolers,Cold Storage Fan,Kitchen Exhaust Fan,Humidifier,Spot Humidifier,Mobile Humidifier,Centrifugal Fan,Blower,Exhauster,Wall Mounted Fan,Roof Exhauster Fan,Exhaust Hood,Air Washer,Volume Control Air Damper,Industrial Fan,Hood Fan,Mist Fan , Centrifugal Spot Humidifier Unit,PVC Eliminator,Humidifier Fan,Axial Flow Fan,Exhaust Fan,,Axial Flow Fan,Exhaust Fan,Ventilation Fan,Man Coolers,Cold Storage Fan,Kitchen Exhaust Fan,Humidifier,Spot Humidifier,Mobile Humidifier,Centrifugal Fan,Blower,Exhauster,Wall Mounted Fan,Roof Exhauster Fan,Exhaust Hood,Air Washer,Volume Control Air Damper,Industrial Fan,Hood Fan,Mist Fan , Centrifugal Spot Humidifier Unit,PVC Eliminator,Humidifier Fan,Axial Flow Fan,Exhaust Fan,Santoni Electric Co. P. Ltd.This supplier has not provided a Company Introduction yet..Address:B-276, Outer Ring Rd, C. R. ParkProduct/Service:Industrial Cleaning Equipment, Industrial Air Pollution Control, Pneuamtic Conveying, Dust Collectors, Bag Filter System, Baghouse, Cartridge Filter System, Fume Extractors, Weld Fume Extraction, Acidic Fumes Collector, Wet Scrubbers, Venturi Scrubbers, Blowers, Axial Flow Fan, Centrifugal Blowers, Duct, Suction Hoods, Woodworking Machinery Dust Collectors, Micro Duct Collectors, Ambient Air Cleaners, , Industrial Vacuum Cleaners,Dust Collector,floor scrubber,,Industrial Cleaning Equipment, Industrial Air Pollution Control, Pneuamtic Conveying, Dust Collectors, Bag Filter System, Baghouse, Cartridge Filter System, Fume Extractors, Weld Fume Extraction, Acidic Fumes Collector, Wet Scrubbers, Venturi Scrubbers, Blowers, Axial Flow Fan, Centrifugal Blowers, Duct, Suction Hoods, Woodworking Machinery Dust Collectors, Micro Duct Collectors, Ambient Air Cleaners, , Industrial Vacuum Cleaners,Dust Collector,floor scrubber,SattairesDesign, Manufacutre and supply of axial flow fan, centrifugal blower, roof extractor, dust, fume extraction system with or without cyclone, bagfilter scurrber. Metallic air washer Ventilation pressurisation dust proofing for control panel room in steel mills assembly house, spray painting booths ....Address:SD 9 Sivaranjani, Tarangini complex, Alacirty housing flatsProduct/Service:Axial flow fan,centrifugal blower,Cyclone,dust collection system,fume extraction system,Bag filter,Scurbber,control panel ventilation ,,Axial flow fan,centrifugal blower,Cyclone,dust collection system,fume extraction system,Bag filter,Scurbber,control panel ventilation ,A.C. HUMIDIFICATION ENGINEERS PVT. LTD.We are a group of young and dynamic professionals engaged in the field industrial air pollution control equipment & ventilation systems. furnish below brief range our equipments Equipments systems 1. Centrifugal blower 2. Dust extraction system (dry / wet bag) 3. Axial flow fan 4. Fume 5. Spray painting ....Address:A-33 / 29, Haneela Complex, Guru Nanak Pura, Vikas Marg, ShakarpurProduct/Service:Air Pollution & Ventinaltion System, Axial Flow Fan, Air Washer, Blower , green house ventilation,filter,spot humidifire,fume hood,cellulose pad,air washer padtype,spray painting booth,man cooler,tunnel ventilation,bifurcated fans,roof extractor,axial flow fan,Humidin High Pressure Blowers,Humidin Induced & Forced Draft Blowers,Humidin Induced & Forced Draft Blowers,Humidin Cetrifugal Blowers,Humidin Cetrifugal Blowers,Supply Of Industrial Air Pollution Control Equipment & Ventilation Systems,,Air Pollution & Ventinaltion System, Axial Flow Fan, Air Washer, Blower , green house ventilation,filter,spot humidifire,fume hood,cellulose pad,air washer padtype,spray painting booth,man cooler,tunnel ventilation,bifurcated fans,roof extractor,axial flow fan,Humidin High Pressure Blowers,Humidin Induced & Forced Draft Blowers,Humidin Induced & Forced Draft Blowers,Humidin Cetrifugal Blowers,Humidin Cetrifugal Blowers,Supply Of Industrial Air Pollution Control Equipment & Ventilation Systems,Eyyani Electric machines P LtdWe are the leading External Rotor Motor Manufacturers in INDIA. With the External Rotor Motors we make differant type/ size Axial flow Fans, Centrifugal Fans and Inline Fans Etc.Our company Certified with ISO 9000..Address:B-234,5th Main,2nd Stage, P. I. EstateProduct/Service:External rotor motor, axial flow fan, external rotor motor, centrifugal fans ,,External rotor motor, axial flow fan, external rotor motor, centrifugal fans ,Pilot ElectricalsThis supplier has not provided a Company Introduction yet..Address:Sodal Chowk, Industrial AreaProduct/Service:Exhaust Fan, Air Circulator Fan, Man Cooler Fan, Axial Flow Fan, Environment Control Fan, Dessert Cooler, Indoor And Out Door Cooling ,,Exhaust Fan, Air Circulator Fan, Man Cooler Fan, Axial Flow Fan, Environment Control Fan, Dessert Cooler, Indoor And Out Door Cooling ,lotus airtech pvt ltdThis supplier has not provided a Company Introduction yet..Address:ANAND NAGARProduct/Service:AXIAL FLOW FAN , air washer system,HVAC SYSTEM,,AXIAL FLOW FAN , air washer system,HVAC SYSTEM,LAXMI UDYOGThis supplier has not provided a Company Introduction yet..Address:AAREY ROAD GOREGOAN (E)Product/Service:ID FAN,FD FAN,SCRUBBER,FRESH AIR SUPPLY,DUST COLLECTOR,AXIAL FLOW FAN,DIDW FAN,MATERIAL HANDLING BLOWER,HIGH PRESSRE BLOWER , CENTRIFUGAL BLOWER,,ID FAN,FD FAN,SCRUBBER,FRESH AIR SUPPLY,DUST COLLECTOR,AXIAL FLOW FAN,DIDW FAN,MATERIAL HANDLING BLOWER,HIGH PRESSRE BLOWER , CENTRIFUGAL BLOWER,EverfinePlastic Ind (p) Ltd.The company was founded in 1986. Ever since, we have been a leading supplier to OEM refrigeration industries and manufacturer of Air Handling Systems. We specialize design, development production plastic mould moulded components up 3.0 kg used assemblies, sub-assemblies engineering equipments.Our ....Address:Plot No. 283, IMT MANESARProduct/Service:Axial Flow Fans ( 315mm to 1810 mm ),Forward Curve Blower,Backward Curver,Plastic Mouldings,Tool Designing , Aluminum Hub Plastic Blade,aluminum fan blade,Axial Flow Fans Aluminum Hub,Axial Flow Fans,800mm axial fan,800mm axial fan,800mm axial fan,Axial Flow Fan,Propeller Fans With Fixed Pitch,Shaft Mount Adaptors,Backward Curve Blowers,,Axial Flow Fans ( 315mm to 1810 mm ),Forward Curve Blower,Backward Curver,Plastic Mouldings,Tool Designing , Aluminum Hub Plastic Blade,aluminum fan blade,Axial Flow Fans Aluminum Hub,Axial Flow Fans,800mm axial fan,800mm axial fan,800mm axial fan,Axial Flow Fan,Propeller Fans With Fixed Pitch,Shaft Mount Adaptors,Backward Curve Blowers,H. G. Air ProductsThis supplier has not provided a Company Introduction yet..Address:E-82, Panchsheel Enclave, Loni Road, BhopuraProduct/Service:Air Grill,Diffusers,Dampers,Filters,Cellulose Pad,Air Washer,Axial Flow Fan ,,Air Grill,Diffusers,Dampers,Filters,Cellulose Pad,Air Washer,Axial Flow Fan ,AASTHA ENVIRO SYSTEMS PVT. LTD.We are manufacturer of Ventilation and Air Pollution control Equipments such as Evaporative cooling machine, Grills, Diffusers, Dampers, Centrifugal blower, axial Flow fans, Roof Extractor, Exhaust Fans, Dust collector, Cyclone, Scrbber etc. Authenticated Audited. ....Address:105-B, St. No-12, Pratap Nagar, Mayur Vihar Phase-IProduct/Service:Ventilation Equipments, Evaporative cooling Machine, Axial Flow Fan, Dust collector, Scrubber, Air Grills & diffusers, Centrifugal Blower , FIRE DAMPER,Volume Control Damper,Diffusers,Grill,Venturi Scrubber with Cyclone,Fume Scrubber,SCRUBBER,Centrifugal Blower,,Ventilation Equipments, Evaporative cooling Machine, Axial Flow Fan, Dust collector, Scrubber, Air Grills & diffusers, Centrifugal Blower , FIRE DAMPER,Volume Control Damper,Diffusers,Grill,Venturi Scrubber with Cyclone,Fume Scrubber,SCRUBBER,Centrifugal Blower,KEYSTONE AIR SYSTEMSKeystone Air Systems is a Registered Proprietor Ship Company managed by its Mr Yogesh V Joshi KAS have Good Engineers and Technocrats in the field of HVAC Applications are enjoying better reputation for developing Hi Tech Equipments Textile Conditioning Humidification Cooling Ventilation Plant System ....Address:Poultry Farm Compound, OPP Mamtanagar, Behind Shastri Stadium, Bapunagar,Product/Service:Axial Flow Fans, Humidification Air Washer Plants, Centrifugal Fans, Centrifugal Spot Humidifier Units, Air Volume Dampers, Semi-Central Units (Clima-Duct Units) , Rotary Air Filters Clamp-On Type Spray Nozzles, Rotary Screen Filters, Multistage Centrifugal, Air Blowers, Rotary Water Filter, Variable Inlet Vane Dampers, Water Filter, Liquid Ring Vacuum Pump / Compressors, Centrifugal Air Blower, Package Type Air Washer , Textile Air Conditioning System,Textile Air Conditioning System India,Textile Air Conditioning Machinery,Industrial Ventilation System Ahmedabad,Humidification Plant,Heavy Duty Industrial Exhaust Fans,Axial Flow Fans,Humidification System,HVAC Systems,Condensers Ahmedabad,Ginning Humidifier Unit,Fixed Type Spot Humidifier Unit,Revolving Spot Humidifier Unit,Humidification Axial Flow Fan,Central Air Washer Plant,Air Washer,Humidification,Spray Nozzle,Photo Lab Printing Machine,Photo Lab Printing Machine,KEYSTONE Exhaust Fan,REAL SWSI Fans,High Static Pressure Fans FOR INDUSTRIAL COLD STORAGE,KEYSTONE Duct Mounted Fan,KEYSTONE AXIAL FLOW FAN,Ginning Humidifier Unit,Centrifugal Spot Humidifier Units Exporter,Sheet Metal Air Washer Fabricated Air Washer Unit,Package Air Cooling WASHER Unit,KEYSTONE Package Type Air Washer,KEYSTONE Automatic Water Filter,KESTONE Rotary Water Filter,,Axial Flow Fans, Humidification Air Washer Plants, Centrifugal Fans, Centrifugal Spot Humidifier Units, Air Volume Dampers, Semi-Central Units (Clima-Duct Units) , Rotary Air Filters Clamp-On Type Spray Nozzles, Rotary Screen Filters, Multistage Centrifugal, Air Blowers, Rotary Water Filter, Variable Inlet Vane Dampers, Water Filter, Liquid Ring Vacuum Pump / Compressors, Centrifugal Air Blower, Package Type Air Washer , Textile Air Conditioning System,Textile Air Conditioning System India,Textile Air Conditioning Machinery,Industrial Ventilation System Ahmedabad,Humidification Plant,Heavy Duty Industrial Exhaust Fans,Axial Flow Fans,Humidification System,HVAC Systems,Condensers Ahmedabad,Ginning Humidifier Unit,Fixed Type Spot Humidifier Unit,Revolving Spot Humidifier Unit,Humidification Axial Flow Fan,Central Air Washer Plant,Air Washer,Humidification,Spray Nozzle,Photo Lab Printing Machine,Photo Lab Printing Machine,KEYSTONE Exhaust Fan,REAL SWSI Fans,High Static Pressure Fans FOR INDUSTRIAL COLD STORAGE,KEYSTONE Duct Mounted Fan,KEYSTONE AXIAL FLOW FAN,Ginning Humidifier Unit,Centrifugal Spot Humidifier Units Exporter,Sheet Metal Air Washer Fabricated Air Washer Unit,Package Air Cooling WASHER Unit,KEYSTONE Package Type Air Washer,KEYSTONE Automatic Water Filter,KESTONE Rotary Water Filter,Air Flow Pvt. LtdAt Air Flow, these 4 decades of existence have been an endless process attaining Success with enhancing capabilities, consolidating commitment and cementing faith in quality innovation. Right from the inception 1973, we leaders manufacturing, Exporting importing Terminal Products, Distribution ....Address:13/1090, Haridhian Singh Road, Karol Bagh, New Delhi, IndiaProduct/Service:air distribution products, air terminal products, hvac diffuser, air diffuser, air grilles, supply air grilles, return air grilles, grilles air diffuser conditioning, air distribution product, air terminal product, axial flow fan, circular inline fan,Tube Axial Fan - Fire Rated,,air distribution products, air terminal products, hvac diffuser, air diffuser, air grilles, supply air grilles, return air grilles, grilles air diffuser conditioning, air distribution product, air terminal product, axial flow fan, circular inline fan,Tube Axial Fan - Fire Rated,META-LAB ENGINEERSAN ISO 9001: 2000 COMPANYMETA-LAB Engineers was established in the year 1989, Makarpura Industrial Estate of Vadodara city, known as industrial city Gujarat state. is well for Metropolitan Culture, Educational and heritage. The has Major Petrochemical, Fertilizer, Heavy water Plant, Gas, Automobile ....Address:42 / 1, G. I. D. C., Makarpura,Product/Service:Non Ferrous Alloy,Castings,die castings,sand castings,machined castings,aluminium castings,copper castings,bronze castings,gunmetal,bronze,flange,elbow,pumpindustries,valve industries,electrical,machinaryparts,pharmasuticals machinary,food processing machinary,textile machinary,axial flow fan , Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,metal casting,Gun Metal Casting,Gravity Die Casting,Aluminum metal castings,precision metal castings,Gravity Die Castings,Copper Alloy Castings,Aluminium Alloy Castings,aluminium alloy die casting,Copper Alloy and Aluminium Alloy castings,nonferrous casting,Sand Casting,aluminium sand casting,Copper Castings,aluminium castings,,Non Ferrous Alloy,Castings,die castings,sand castings,machined castings,aluminium castings,copper castings,bronze castings,gunmetal,bronze,flange,elbow,pumpindustries,valve industries,electrical,machinaryparts,pharmasuticals machinary,food processing machinary,textile machinary,axial flow fan , Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,Copper Alloy & Aluminium Alloy Casting,metal casting,Gun Metal Casting,Gravity Die Casting,Aluminum metal castings,precision metal castings,Gravity Die Castings,Copper Alloy Castings,Aluminium Alloy Castings,aluminium alloy die casting,Copper Alloy and Aluminium Alloy castings,nonferrous casting,Sand Casting,aluminium sand casting,Copper Castings,aluminium castings,CARAVAN ELECTRICALS (P) LTDCALCUTTA FANS with over two decades of experience has been engineering solutions for the Fan, Blower and Motor Industry. The ability to comprehend customer needs evolve customized is what makes it stand apart. company always in forefront technological advancements designed developed products suit ....Address:S. N. Roy RoadProduct/Service:air circulators,exhaust fan,axial flow fan,mancoolers,ceiling fan , Heavy Duty Exhaust fan,air circulators,,air circulators,exhaust fan,axial flow fan,mancoolers,ceiling fan , Heavy Duty Exhaust fan,air circulators,LAXMI PROJECTBRIEF HISTORY OF THE COMPANY:This company was started in Jan. 1993 for the manufacture of Centrifugal and Axial Flow Fans based on renowed designs from all over world. From a small start few engineers & executives today we employ 50 people. Presently have two units Gujarat manufacturing Blowers. We also ....Address:Plot No.2802/B, Phase III, GIDC, Umbergaon - 396171, Dist.Valsad, GujaratProduct/Service:Centrifugal Fan,Axial Flow Fan,ID-FD Fans For Boilers,Special Application Fans,Bag Filter,Cyclones,Scrubbers for Particulate matter,Ventilation System,Exhaust System,Air Washers,Dust Collection System,Fume Extraction System,Pressurisation System,Cable Making machine,Cage (Fork & Cradle type),Take up & Pay off,Capstan , Bag Filter,AXIAL FLOW FANS,FORCED DRAFT FAN,INDUCED DRAFT FAN,PRIMARY AIR FAN,DIDW FANS,BAG FilTERS,,Centrifugal Fan,Axial Flow Fan,ID-FD Fans For Boilers,Special Application Fans,Bag Filter,Cyclones,Scrubbers for Particulate matter,Ventilation System,Exhaust System,Air Washers,Dust Collection System,Fume Extraction System,Pressurisation System,Cable Making machine,Cage (Fork & Cradle type),Take up & Pay off,Capstan , Bag Filter,AXIAL FLOW FANS,FORCED DRAFT FAN,INDUCED DRAFT FAN,PRIMARY AIR FAN,DIDW FANS,BAG FilTERS,Ashish Air CorporationWe Ashish air corporation are one of the leading manufacturers and exporters offering a wide range cleaning equipments like spot humidifier, water spray system, tight door, semi central unit etc. These include washer distribution, controlling equipments, rotary filter, tube axial flow fan, nozzles, ....Address:e/5, dhanjibhai estate, nr. revabhai estate, ahmedabad, gujarat, IndiaProduct/Service:humidfication & ventilation plants, rotary air filter, axial flow fan, spot humidifier, diffuser, grills, nozzle, air tight door, damper,Air tight door,Diffuser,Axial flow fan,,humidfication & ventilation plants, rotary air filter, axial flow fan, spot humidifier, diffuser, grills, nozzle, air tight door, damper,Air tight door,Diffuser,Axial flow fan,
