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non return air diffuser40+ factories verified

Zhejiang Tianpu Rubber & Plastic Co., Ltd.

·Manufacturer/Factory & Trading Company

100mm Kitchen Ventilation Air Outlet Back-Pressure Check Valve Louver Diffuser

100mm Kitchen Ventilation Air Outlet Back-Pressure Check Valve Louver Diffuser

US$0.35-0.40

500 Pieces(MOQ)

Plastic Anti-Odor Check Valve Toilet Non-Return Flap Damper Back Pressure Air Valve for Ventilation System for Kitchen Bathroom

Plastic Anti-Odor Check Valve Toilet Non-Return Flap Damper Back Pressure Air Valve for Ventilation System for Kitchen Bathroom

US$0.19-0.22

500 Pieces(MOQ)

External Ducting Air Vent Wall Extractor Fan and Non-Return Gravity Shutters

External Ducting Air Vent Wall Extractor Fan and Non-Return Gravity Shutters

US$0.25-2.99

500 Pieces(MOQ)

Flexible Air Vent Cover Gravity Louver Vent Hood with Non Return Shutter

Flexible Air Vent Cover Gravity Louver Vent Hood with Non Return Shutter

US$0.25-1.99

500 Pieces(MOQ)

1/4

NEW HVACR TECHNOLOGY (NINGBO) CO., LTD

Factory Price Metal Round Exhaust Valve Return Air Grille White Exhaust Air Disc Ceiling Valve Diffuser in Air Conditioning System HVAC Manufacturer

Factory Price Metal Round Exhaust Valve Return Air Grille White Exhaust Air Disc Ceiling Valve Diffuser in Air Conditioning System HVAC Manufacturer

US$0.50-1.00

300 Pieces(MOQ)

1/4

Qiankun Environmental Protection Joint Stock Co., Ltd.

·Manufacturer/Factory & Trading Company

Inner Non-Return Design EPDM Rubber or Silicone Microporous Membrane Disc Diffuser

Inner Non-Return Design EPDM Rubber or Silicone Microporous Membrane Disc Diffuser

2,000 Pieces(MOQ)

High Reliability and Excellent Performance Tube Diffuser for Wastewater Treatment Process

High Reliability and Excellent Performance Tube Diffuser for Wastewater Treatment Process

9-Inch New Flat Membrane Microporous Diffuser

9-Inch New Flat Membrane Microporous Diffuser

US$4.00-7.00

EPDM Oxygen 12 Inch Fine Bubble Disc Diffuser for Water Treatment

EPDM Oxygen 12 Inch Fine Bubble Disc Diffuser for Water Treatment

1/4

HENAN ECO ENVIRONMENTAL PROTECTION EQUIPMENT CO.,LTD.

·Trading Company

EPDM Membrane Fine Air Bubbles Disc Diffuser Aerator System for Pond

EPDM Membrane Fine Air Bubbles Disc Diffuser Aerator System for Pond

US$2.30-4.00

Oxygen Aeration Diffuser for Biological Reactor and Oxidation Ditch

Oxygen Aeration Diffuser for Biological Reactor and Oxidation Ditch

US$2.40-2.80

Vm-Hot-Selling Fine Bubble Disc Diffuser

Vm-Hot-Selling Fine Bubble Disc Diffuser

US$2.40-2.80

Disc Diffuser Wholesale Micro Bubble Diffuser Nano Bubble Nozzle

Disc Diffuser Wholesale Micro Bubble Diffuser Nano Bubble Nozzle

US$2.50-4.50

1/4

Nanjing Lanling Environmental Technology Co., Ltd.

·Manufacturer/Factory & Trading Company

Micro Nano Fine Bubble Oxygen Diffuser for Sewage Treatment Plant

Micro Nano Fine Bubble Oxygen Diffuser for Sewage Treatment Plant

US$2.00-4.00

Efficient Fine Bubble Aeration Diffuser for Wastewater Treatment Plant Operations

Efficient Fine Bubble Aeration Diffuser for Wastewater Treatment Plant Operations

US$2.00-4.00

Advanced Fine Bubble Aeration Diffuser for Efficient Wastewater Treatment

Advanced Fine Bubble Aeration Diffuser for Efficient Wastewater Treatment

US$2.00-4.00

Bubble Aeration Diffuser, Ideal for Wastewater Treatment Plant Efficiency

Bubble Aeration Diffuser, Ideal for Wastewater Treatment Plant Efficiency

US$2.00-4.00

1/4

YINGDE VENTECH AIR CONDITIONING CO., LTD.

·Manufacturer/Factory & Trading Company

China Removable Supply Aluminum Air Linear Slot Diffuser

China Removable Supply Aluminum Air Linear Slot Diffuser

US$5.00-7.00

HVAC Aluminu Air Conditioning Linear Slot Diffuser

HVAC Aluminu Air Conditioning Linear Slot Diffuser

US$5.00-7.00

Factory Supply Ceiling Air Diffuser Linear Bar Register Slot Diffuser

Factory Supply Ceiling Air Diffuser Linear Bar Register Slot Diffuser

HVAC China Supplier Aluminum Linear Slot Diffuser for Supply

HVAC China Supplier Aluminum Linear Slot Diffuser for Supply

US$4.00-6.00

1/4

Pingxiang Bestn Chemical Packing Co., Ltd.

Diameter 215mm 260mm 300mm Micro Bubble Aeration Membrane Disc Air Diffuser for Water Treatment

Diameter 215mm 260mm 300mm Micro Bubble Aeration Membrane Disc Air Diffuser for Water Treatment

US$3.50-5.00

9inch 10inch 13inch EPDM PTFE/Silicon Material Fine Bubble Disc Diffuser Aerator

9inch 10inch 13inch EPDM PTFE/Silicon Material Fine Bubble Disc Diffuser Aerator

US$5.00-10.00

100 Pieces(MOQ)

EPDM 9" 10" 13" Fine Bubble Membrane Disc Diffuser for Waste Water Treatment

EPDM 9" 10" 13" Fine Bubble Membrane Disc Diffuser for Waste Water Treatment

US$5.00-10.00

200 Pieces(MOQ)

High Capacity EPDM Membrane Fine Bubble Air Diffuser for Waste Water Treatment Plant

High Capacity EPDM Membrane Fine Bubble Air Diffuser for Waste Water Treatment Plant

US$2.50-5.00

1/4

Hefei Fugu Buliding Material Co., Ltd.

High Sotr Aeration EPDM Disc Fine Bubble Diffuser

High Sotr Aeration EPDM Disc Fine Bubble Diffuser

150 Pieces(MOQ)

Wastewater Treatment Membrane 9inch Pond Aeration Bubble Air Disc Fine Bubble Diffuser

Wastewater Treatment Membrane 9inch Pond Aeration Bubble Air Disc Fine Bubble Diffuser

150 Pieces(MOQ)

Rubber Membrane Air Diffuser Wastewater Treatment Microbubble Air Diffusion Aeration

Rubber Membrane Air Diffuser Wastewater Treatment Microbubble Air Diffusion Aeration

150 Pieces(MOQ)

Good Quality EPDM Fine Bubble Disc Diffuser Air Diffuser Aerator for Water Treatment

Good Quality EPDM Fine Bubble Disc Diffuser Air Diffuser Aerator for Water Treatment

150 Pieces(MOQ)

1/4

Qingdao Zoomfine Indotech Co.,Ltd

Air Vent Round Ceiling Diffuser for HVAC Duct Adjustable Linear Slot Diffuser

Air Vent Round Ceiling Diffuser for HVAC Duct Adjustable Linear Slot Diffuser

Wholesale HVAC Linear Bar Grille PVC Plastic Ventilation Return Air Grille

Wholesale HVAC Linear Bar Grille PVC Plastic Ventilation Return Air Grille

US$2.00-12.00

White Hotel Room Air Conditioning Wall Mounted SUS Air Ventilation Grille

White Hotel Room Air Conditioning Wall Mounted SUS Air Ventilation Grille

Air Ventilator White Ceiling Mounted Metal Slat Frame Air Grille

Air Ventilator White Ceiling Mounted Metal Slat Frame Air Grille

1/4

Xinxiang Feiyu Clean Tech Co., Ltd.

Air Filter HEPA Box Terminal Diffuser for Clean Room for Cleanroom FFU HEPA Filter Units

Air Filter HEPA Box Terminal Diffuser for Clean Room for Cleanroom FFU HEPA Filter Units

Hospital Clean Room HEPA Filter Terminal Box Ceiling Ventilation

Hospital Clean Room HEPA Filter Terminal Box Ceiling Ventilation

High Efficiency Air Supply Outlet, Smallpox Ceiling Purification Device, AC Liquid Trough Outlet

High Efficiency Air Supply Outlet, Smallpox Ceiling Purification Device, AC Liquid Trough Outlet

Air Supply Efficiency Module Fan Diffuser HEPA Filter Box Unit Terminal for Clean Room

Air Supply Efficiency Module Fan Diffuser HEPA Filter Box Unit Terminal for Clean Room

1/4

Ventair (Xiamen) Hvac Equipment Co., Ltd.

Black Plastic Eggcrate Grille Sheet Ceiling Air Vent Grille

Black Plastic Eggcrate Grille Sheet Ceiling Air Vent Grille

100 Pieces(MOQ)

Plastic Egg Crate Air Grille Ceiling Eggcrate Core Panel Sheet for HVAC and Lighting

Plastic Egg Crate Air Grille Ceiling Eggcrate Core Panel Sheet for HVAC and Lighting

100 Pieces(MOQ)

ABS Plastic Eggcrate Grille Ceiling Plastic Return Air Ventilation Black Colour

ABS Plastic Eggcrate Grille Ceiling Plastic Return Air Ventilation Black Colour

100 Pieces(MOQ)

Standard Light Grille Egg Crate Screen Plastic Aqurium Ceiling Air Grille

Standard Light Grille Egg Crate Screen Plastic Aqurium Ceiling Air Grille

100 Pieces(MOQ)

1/4

Superair Group Limited

External Wall Plastic Gravity Outlet Louvre Grille Air Vent

External Wall Plastic Gravity Outlet Louvre Grille Air Vent

US$0.50-5.00

500 Pieces(MOQ)

Cowled Square Exhaust Wall Vent with Cushioned Non Return Flap

Cowled Square Exhaust Wall Vent with Cushioned Non Return Flap

US$0.50-5.00

500 Pieces(MOQ)

China Factory HVAC Ventilation Plastic Grille Gravity Grill Vent

China Factory HVAC Ventilation Plastic Grille Gravity Grill Vent

US$0.50-5.00

100 Pieces(MOQ)

HVAC Ventilation High Quality Grille with White Red

HVAC Ventilation High Quality Grille with White Red

US$0.50-2.00

500 Pieces(MOQ)

1/4

Dezhou Zhengyun Air Conditioning Equipment Co., Ltd.

Fire Smoke Exhaust Quick Response Fire Damper

Fire Smoke Exhaust Quick Response Fire Damper

US$60.00-170.00

Special Smoke Exhaust Fire Damper for Air Duct Smoke Exhaust System

Special Smoke Exhaust Fire Damper for Air Duct Smoke Exhaust System

US$60.00-170.00

Ventilation Ducts Usually Close Smoke Exhaust Fire Dampers

Ventilation Ducts Usually Close Smoke Exhaust Fire Dampers

US$60.00-170.00

Automatic Closing, Manual Quick Opening of Smoke Exhaust and Fire Damper

Automatic Closing, Manual Quick Opening of Smoke Exhaust and Fire Damper

US$60.00-170.00

1/4

Shanghai Rui Tai Photoelectric Technology Co., Ltd.

·Trading Company

Light Diffusion Plate/Diffuser Panels/Sound Diffuser

Light Diffusion Plate/Diffuser Panels/Sound Diffuser

US$5.00-12.00

Light Diffuser/Odor Diffusion Plate/Liquid Diffusion Plate

Light Diffuser/Odor Diffusion Plate/Liquid Diffusion Plate

US$5.00-12.00

50 Square Feet(MOQ)

Laser Beam Expander/Laser Lens/Beam Expander/Laser Lens

Laser Beam Expander/Laser Lens/Beam Expander/Laser Lens

US$6.00-10.00

100 Pieces(MOQ)

1/4

Jiangsu Zhengjie Environmental Protection Co., Ltd.

Nano Bubble Generator Bubble Diffuser Aquaculture Tank Aeration

Nano Bubble Generator Bubble Diffuser Aquaculture Tank Aeration

US$2.00-9.00

Submerged Air Disc Diffuser with EPDM Membrane for Excreta Water Treatment

Submerged Air Disc Diffuser with EPDM Membrane for Excreta Water Treatment

US$2.00-9.00

1/4

Shanghai Zhihong Electronic Co., Ltd.

Non-Fire Aromatherapy Hotel Home Indoor Long-Lasting Reed Diffuser

Non-Fire Aromatherapy Hotel Home Indoor Long-Lasting Reed Diffuser

US$1.50-5.00

100 Pieces(MOQ)

1/4

Hebei Sinta Trading Co., Ltd

EPDM Durable Fine Bubble Air Diffuser Round Disc Diffuser for Water Treatment

EPDM Durable Fine Bubble Air Diffuser Round Disc Diffuser for Water Treatment

US$4.00-10.00

1/4

Dongguan Pengchi Intelligent Equipment Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Pengchi Hospital Direct Customized Air Grilles Series

Pengchi Hospital Direct Customized Air Grilles Series

US$35.00-55.00

1/4

Guangzhou Yuming Electrical Industrial Co., Ltd

Hotel/Market Air Freshener Wall Mounted Automatic Perfume Air Freshener Fragrance Spray Non Aerosol Dispenser Aerosol Diffuser

Hotel/Market Air Freshener Wall Mounted Automatic Perfume Air Freshener Fragrance Spray Non Aerosol Dispenser Aerosol Diffuser

US$13.00-18.00

1/4

GFI HVAC LIMITED

Non-Power Automatic Stainless Roof Air Vent Ball Exhaust Turbine Air Ventilator

Non-Power Automatic Stainless Roof Air Vent Ball Exhaust Turbine Air Ventilator

US$19.00-25.00

HVAC Ductwork Aluminium Foil Flexible Ventilation Exhaust Vent Duct

HVAC Ductwork Aluminium Foil Flexible Ventilation Exhaust Vent Duct

US$0.39-0.59

400 Meters(MOQ)

6inch Uninsulated Aluminium Flex Ventilation Ducting for HVAC System

6inch Uninsulated Aluminium Flex Ventilation Ducting for HVAC System

US$0.39-0.59

400 Meters(MOQ)

Air Return Ventilation Duct Exhaust Aluminum Foil Flex Duct in HVAC

Air Return Ventilation Duct Exhaust Aluminum Foil Flex Duct in HVAC

US$0.39-0.59

400 Meters(MOQ)

1/4

Ningbo Aoshun Electrical Co., Ltd

Flexible Air Vent Cover Gravity Louver Vent Hood with Non Return Flap Shutter Air Conditioning Systems Part

Flexible Air Vent Cover Gravity Louver Vent Hood with Non Return Flap Shutter Air Conditioning Systems Part

US$0.92-1.02

100 Pieces(MOQ)

1/4

TAIZHOU EASTAR TECHNOLOGY CO., LTD.

1 1/2" 4" NPT Horizontal Check Valve Brass Non Return Swing Check Valve to Prevent Water Backflow Level One Way Counterflow Valve

1 1/2" 4" NPT Horizontal Check Valve Brass Non Return Swing Check Valve to Prevent Water Backflow Level One Way Counterflow Valve

US$1.00-1.98

1,000 Pieces(MOQ)

Durable Water Use Bronze Forged Brass Non Return Swing Horizontal Check Valve for Water Supply Pipe System

Durable Water Use Bronze Forged Brass Non Return Swing Horizontal Check Valve for Water Supply Pipe System

US$0.80-8.80

1,000 Pieces(MOQ)

Water Pressure Regulator Valve Pipe Fittings Brass Water Gas and Oil DN15 DN50 Drain Valve Non Return Valves

Water Pressure Regulator Valve Pipe Fittings Brass Water Gas and Oil DN15 DN50 Drain Valve Non Return Valves

US$1.80-2.80

100 Pieces(MOQ)

Chinese Factory DN15-50 Brass Swing Check Valve Non-Return Valve

Chinese Factory DN15-50 Brass Swing Check Valve Non-Return Valve

US$2.50-3.00

1,000 Pieces(MOQ)

1/4

Airkey Envirotech Co.,Ltd

·Manufacturer/Factory & Trading Company

Airkey Customized Modular Cleanroom ISO4-9 Fast Installation Cleanroom

Airkey Customized Modular Cleanroom ISO4-9 Fast Installation Cleanroom

US$4,000.00-8,000.00

Airkey Modular Cleanroom/Customized for Lab, Industry

Airkey Modular Cleanroom/Customized for Lab, Industry

US$4,000.00-8,000.00

Airkey ISO 4-8 Modular Portable Cleanroom with Air Shower and Pass Box

Airkey ISO 4-8 Modular Portable Cleanroom with Air Shower and Pass Box

US$2,000.00-10,000.00

Class 10-100000 Cleanroom GMP Customized Modular Cleanroom for Electric Industry

Class 10-100000 Cleanroom GMP Customized Modular Cleanroom for Electric Industry

US$10,000.00-100,000.00

1/4

Suzhou Walter Flow Control Equipment Co., Ltd.

Silent Check Valve for Pump System

Silent Check Valve for Pump System

Cast Iron Flanged Silent Check Valve

Cast Iron Flanged Silent Check Valve

Silent Slow-Closing Check Valve

Silent Slow-Closing Check Valve

US$45.00-49.00

Cvkr Silent Check Valve Dn350

Cvkr Silent Check Valve Dn350

1/4

ZHEJIANG MENCROWN VALVE CO., LTD.

·Manufacturer/Factory & Trading Company

Venturi Nozzle Axial Flow Non Return Check Valve

Venturi Nozzle Axial Flow Non Return Check Valve

US$15.00-300.00

Anti-Backflow Venturi Nozzle Axial Flow Non Return Check Valve

Anti-Backflow Venturi Nozzle Axial Flow Non Return Check Valve

US$15.00-300.00

Wcb Venturi Nuzzle Nozzle Axial Flow Non Return Check Valve (ZSH41H)

Wcb Venturi Nuzzle Nozzle Axial Flow Non Return Check Valve (ZSH41H)

US$15.00-300.00

CF8m SS316 Venturi Nozzle Axial Flow Non Return Check Valve

CF8m SS316 Venturi Nozzle Axial Flow Non Return Check Valve

US$15.00-300.00

1/4

Guangzhou Ley&Sons Environmental Technology Co., Ltd

Manufacturer/Factory & Trading Company

4.5 Advanced Laminar Flow Cabinet for Cleanroom Application

4.5 Advanced Laminar Flow Cabinet for Cleanroom Application

US$1,123.57

4.5 High-Efficiency Laminar Flow Cabinet for Laboratory Use

4.5 High-Efficiency Laminar Flow Cabinet for Laboratory Use

US$1,123.57

4.5 Laminar Flow Cabinet

4.5 Laminar Flow Cabinet

US$1,123.57

4.5 Reliable Laminar Flow Cabinet for Laboratory Application

4.5 Reliable Laminar Flow Cabinet for Laboratory Application

US$1,123.57

1/4

Zhejiang Dayuan Pumps Industrial Co., Ltd.

·Manufacturer/Factory & Trading Company

Domestic Water Quiet Operation Durable Portable Stainless Steel Self-Priming High-Lift Centrifugal Force Deep Well Pump

Domestic Water Quiet Operation Durable Portable Stainless Steel Self-Priming High-Lift Centrifugal Force Deep Well Pump

US$90.00-200.00

100 Pieces(MOQ)

Domestic Water High Lift Capability Durable Portable Stainless Steel Self-Priming High-Lift Centrifugal Force Deep Well Pump

Domestic Water High Lift Capability Durable Portable Stainless Steel Self-Priming High-Lift Centrifugal Force Deep Well Pump

US$90.00-200.00

100 Pieces(MOQ)

Domestic Water Submersible Design Durable Portable Stainless Steel Self-Priming High-Lift Centrifugal Force Deep Well Pump

Domestic Water Submersible Design Durable Portable Stainless Steel Self-Priming High-Lift Centrifugal Force Deep Well Pump

US$90.00-200.00

100 Pieces(MOQ)

High-Performance Quiet Operation Electric Groundwater Water Supply Extraction Submerged Deep Well Pump

High-Performance Quiet Operation Electric Groundwater Water Supply Extraction Submerged Deep Well Pump

US$90.00-200.00

100 Pieces(MOQ)

1/4

Chengdu Ample Import and Export Co., Ltd.

Acid & Alkali Resistant Explosion Proof Corrosion Resistance Chemical Fume Cupboard for Laboratory

Acid & Alkali Resistant Explosion Proof Corrosion Resistance Chemical Fume Cupboard for Laboratory

US$4,500.00-8,500.00

Laboratory Equipment Ductless Fume Hood Clean Use for School

Laboratory Equipment Ductless Fume Hood Clean Use for School

US$1,500.00-4,000.00

High Quality Laboratory Grade Exhaust Ductless Fume Hood

High Quality Laboratory Grade Exhaust Ductless Fume Hood

US$1,500.00-4,000.00

Heat Resistant Explosion Proof Laboratory Chemical Duct Fume Hood with Acid & Alkali Resistant

Heat Resistant Explosion Proof Laboratory Chemical Duct Fume Hood with Acid & Alkali Resistant

US$4,500.00-9,500.00

1/4

Wuxi Kwang Purification Co., Ltd

10%off Silicon Rock Sandwich Panel for Steel Construction Material

10%off Silicon Rock Sandwich Panel for Steel Construction Material

US$10.00-15.00

300 Square Meters(MOQ)

Magnesium Oxide Sandwich Panel for Steel Construction Material

Magnesium Oxide Sandwich Panel for Steel Construction Material

US$10.00-15.00

300 Square Meters(MOQ)

Paper Honeycomb Handmade Panel for Roof and Wall Cladding

Paper Honeycomb Handmade Panel for Roof and Wall Cladding

US$10.00-15.00

300 Square Meters(MOQ)

High Quality Rock Wool (glass wool) Handmade Panel for Steel Construction Material

High Quality Rock Wool (glass wool) Handmade Panel for Steel Construction Material

US$10.00-15.00

300 Square Meters(MOQ)

1/4

Zhejiang Italy Copper Industry Co., Ltd.

·Manufacturer/Factory & Trading Company

Certified Automatic Brass Safety Air Vent Ball Valve (IC-3064)

Certified Automatic Brass Safety Air Vent Ball Valve (IC-3064)

US$1.65-2.00

3,000 Pieces(MOQ)

CE Certified Brass Safety Air Vent Ball Valve (IC-3060)

CE Certified Brass Safety Air Vent Ball Valve (IC-3060)

US$0.94-1.50

3,000 Pieces(MOQ)

Certified Automatic Brass Safety Air Vent Valve (IC-3063)

Certified Automatic Brass Safety Air Vent Valve (IC-3063)

US$1.45-2.00

3,000 Pieces(MOQ)

Certified Automatic Brass Safety Air Vent Valve

Certified Automatic Brass Safety Air Vent Valve

US$1.78-2.00

3,000 Pieces(MOQ)

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