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      AlibabaIndustrial MachineryRefrigeration & Heat Exchange EquipmentAir ConditionersWholesale air preventative

      Air Preventative

      (13113 products available)

      Centrifugal Air Curtain Prevent Insect Door 110v 230v for HVAC China manufacturer

      Centrifugal Air Curtain Prevent Insect Door 110v 230v for HVAC China manufacturer

      $63.02 - $68.96
      Min Order: 1 unit
      Type: Air Curtain
      Mounting: Wall / Window Mount
      Warranty: 1 Year
      CN
      10 yrsverify
      5.0
      /5
      ·
      4 reviews
      ·
      "good service"
      Contact Supplier
      Square or Round Galvanized Sheet Motorized Air Duct Damper/Motorized Fire Damper

      Square or Round Galvanized Sheet Motorized Air Duct Damper/Motorized Fire Damper

      $43.00 - $49.00
      Min Order: 1 set
      CN
      1 yrsverify
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Electric air volume control fire automatic galvanized steel damper with motorized actuator

      Electric air volume control fire automatic galvanized steel damper with motorized actuator

      $25.00 - $50.00
      Min Order: 1 set
      CN
      1 yrsverify
      3.2
      /5
      ·
      2 reviews
      ·
      Contact Supplier
      Rust prevention Yachts Air Conditioner

      Rust prevention Yachts Air Conditioner

      $150.00 - $200.00
      Min Order: 100 sets
      Mounting: Floor Standing
      Warranty: 1 Year
      Airflow: 5000M?/H
      CN
      11 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Good Quality Plastic Thermostat box with lock Prevent Tampering Thermostat Guard cover thermostat case

      Good Quality Plastic Thermostat box with lock Prevent Tampering Thermostat Guard cover thermostat case

      $1.59 - $2.99
      Min Order: 100 pieces
      CN
      10 yrsverify
      4.8
      /5
      ·
      23 reviews
      ·
      "Excellent service"
      Contact Supplier
      Wholesale OEM Cheap Cross Flow Wall Hanging Door Air Curtain for residential commercial industrial use

      Wholesale OEM Cheap Cross Flow Wall Hanging Door Air Curtain for residential commercial industrial use

      $27.00 - $36.00
      Min Order: 20 units
      Type: Air Curtain
      Warranty: 3 Years
      CN
      3 yrsverify
      4.8
      /5
      ·
      28 reviews
      ·
      "excellent service"
      Contact Supplier
      HVAC system galvanized sheet round damper Metal air Duct Spring Loaded Backdraft Damper

      HVAC system galvanized sheet round damper Metal air Duct Spring Loaded Backdraft Damper

      $1.39 - $2.79
      Min Order: 10 pieces
      CN
      15 yrs
      4.0
      /5
      ·
      1 reviews
      ·
      "Good supplier"
      Contact Supplier
      Top Manufacturer ABS Air Backflow Preventer Air Brake Valve

      Top Manufacturer ABS Air Backflow Preventer Air Brake Valve

      $2.11
      Min Order: 10 pieces
      CN
      7 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      "Great company"
      Contact Supplier
      check valve set to the end of ventilation pipe, prevent outside smoke or insects

      check valve set to the end of ventilation pipe, prevent outside smoke or insects

      $1.30
      Min Order: 5 pieces
      CN
      12 yrsverify
      4.8
      /5
      ·
      15 reviews
      ·
      "Quick delivery"
      Contact Supplier
      Hvac system back draught dampers galvanized sheet duct air back draft damper

      Hvac system back draught dampers galvanized sheet duct air back draft damper

      $1.34 - $2.87
      Min Order: 10 pieces
      CN
      9 yrsverify
      4.7
      /5
      ·
      10 reviews
      ·
      "Professional supplier"
      Contact Supplier
      Air Duct Frame Flange Flexible Canvas Connector

      Air Duct Frame Flange Flexible Canvas Connector

      $0.99 - $3.00
      Min Order: 100 meters
      CN
      9 yrs
      4.8
      /5
      ·
      5 reviews
      ·
      "great customer service"
      Contact Supplier
      OEM ODM Customized bird-preventing air vent hood

      OEM ODM Customized bird-preventing air vent hood

      $0.85
      Min Order: 2000 pieces
      CN
      12 yrsverify
      5.0
      /5
      ·
      4 reviews
      ·
      "good supplier"
      Contact Supplier
      Air Curtain Door Fan For Restaurant Cafe Terminal Opening Door cUL listed

      Air Curtain Door Fan For Restaurant Cafe Terminal Opening Door cUL listed

      $299.00
      Min Order: 100 pieces
      Type: Air Curtain
      Mounting: Wall / Window Mount
      Warranty: 1 Year
      Airflow: 2000M?/H
      CN
      7 yrsverify
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Air flexible duct prevents the oxygen shortage in a manhole,tunnel or fermentation tank that is poorly ventilated.

      Air flexible duct prevents the oxygen shortage in a manhole,tunnel or fermentation tank that is poorly ventilated.

      $15.00
      Min Order: 100 meters
      CN
      9 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      "good service"
      Contact Supplier
      Flexible Air Vent Cover Gravity Louver Vent Hood with Non Return Flap Shutter

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

      $0.59 - $3.99
      Min Order: 1000 pieces
      CN
      7 yrsverify
      5.0
      /5
      ·
      1 reviews
      ·
      "quality work"
      Contact Supplier
      Pipe fittings galvanized steel 90 degree bend B90 bend 90 degree spiral air duct elbow

      Pipe fittings galvanized steel 90 degree bend B90 bend 90 degree spiral air duct elbow

      $1.29 - $2.40
      Min Order: 100 pieces
      CN
      1 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      shipping container customize air vent waterproof cotton air filter industrial outdoor machine hepa ventilation filter vent panel

      shipping container customize air vent waterproof cotton air filter industrial outdoor machine hepa ventilation filter vent panel

      $20.00 - $35.00
      Min Order: 5 pieces
      CN
      4 yrsverify
      4.9
      /5
      ·
      19 reviews
      ·
      "good service"
      Contact Supplier
      Streamline Design Evaporative Air Cooler with Durable and Beautiful Appearance for Hotel and Commerce

      Streamline Design Evaporative Air Cooler with Durable and Beautiful Appearance for Hotel and Commerce

      $899.00 - $999.00
      Min Order: 1 unit
      Type: Evaporative Air Cooler
      Mounting: Floor Standing
      Warranty: 1 Year
      Airflow: 18000M?/H
      CN
      12 yrsverify
      4.7
      /5
      ·
      3 reviews
      ·
      Contact Supplier
      HVAC systems flexible rolls prevent fire and vibrations high quality fiberglass flexible air duct connector

      HVAC systems flexible rolls prevent fire and vibrations high quality fiberglass flexible air duct connector

      $35.50 - $38.00
      Min Order: 100 pieces
      CN
      9 yrsverify
      4.8
      /5
      ·
      12 reviews
      ·
      "Great customer service"
      Contact Supplier
      Rack-Mounted Air Conditioning Unit 7,000 BTU/H (2.0 KW) Into Your IT Equipment To Prevent Shutdowns

      Rack-Mounted Air Conditioning Unit 7,000 BTU/H (2.0 KW) Into Your IT Equipment To Prevent Shutdowns

      $3,000.00 - $4,500.00
      Min Order: 1 unit
      Type: Air Cooler
      Warranty: 1 Year
      CN
      1 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Plastic Thermostat Box with Lock Prevent Tampering Cover Thermostat Case Thermostat Guard

      Plastic Thermostat Box with Lock Prevent Tampering Cover Thermostat Case Thermostat Guard

      $1.59 - $2.99
      Min Order: 100 pieces
      CN
      5 yrs
      4.9
      /5
      ·
      8 reviews
      ·
      "fast shipping"
      Contact Supplier
      304 stainless steel to prevent foreign objects, oblique louver design, sturdy outdoor vent

      304 stainless steel to prevent foreign objects, oblique louver design, sturdy outdoor vent

      Ready to Ship
      $7.50
      Min Order: 200 pieces
      Shipping per piece: $0.62
      CN
      3 yrsverify
      5.0
      /5
      ·
      5 reviews
      ·
      "fast delivery"
      Contact Supplier
      plastic manufactory Space Pressurization is desired to prevent dust entry evaporative air cooler 12000m3/h

      plastic manufactory Space Pressurization is desired to prevent dust entry evaporative air cooler 12000m3/h

      $850.00 - $999.00
      Min Order: 1 unit
      Type: Evaporative Air Cooler
      Mounting: Wall / Window Mount
      Warranty: 1 Year
      CN
      3 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Hanging Explosion-Proof Dust Prevention Air Conditioner Industrial Aircon 2Horse Explosion Proof Aircon

      Hanging Explosion-Proof Dust Prevention Air Conditioner Industrial Aircon 2Horse Explosion Proof Aircon

      $968.00 - $1,018.00
      Min Order: 1 piece
      Type: Cabinet Air Conditioner
      Warranty: 1 Year
      Airflow: 3500M?/H
      CN
      2 yrsverify
      4.7
      /5
      ·
      9 reviews
      ·
      "Excellent service"
      Contact Supplier
      check valve set to the end of ventilation pipe, prevent outside smoke or insects air vent

      check valve set to the end of ventilation pipe, prevent outside smoke or insects air vent

      $4.60
      Min Order: 2 sets
      Shipping per piece: $11.60
      CN
      1 yrsverify
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Wholesale Cheap Price Air Compressor Check Valve Stainless Steel Air Duct Check Valve

      Wholesale Cheap Price Air Compressor Check Valve Stainless Steel Air Duct Check Valve

      $20.00
      Min Order: 2 pieces
      CN
      1 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Corrosion-resistant stainless steel air cooler for fruit freezer with water flushing frost

      Corrosion-resistant stainless steel air cooler for fruit freezer with water flushing frost

      $600.00 - $800.00
      Min Order: 1 unit
      Type: Evaporative Air Cooler
      Mounting: Ceiling Mount
      Warranty: 1 Year
      Airflow: 18000M?/H
      CN
      8 yrs
      5.0
      /5
      ·
      2 reviews
      ·
      "good service"
      Contact Supplier
      2 Inches 50mm Fire Prevention Vacuum cleaning Flexible Ducting Pipe

      2 Inches 50mm Fire Prevention Vacuum cleaning Flexible Ducting Pipe

      $6.15 - $6.55
      Min Order: 10 pieces
      CN
      2 yrsverify
      4.9
      /5
      ·
      19 reviews
      ·
      "good service"
      Contact Supplier
      Hairf precision air conditioner large air volume to prevent condensation

      Hairf precision air conditioner large air volume to prevent condensation

      $4,300.00 - $5,000.00
      Min Order: 1 piece
      Type: Cabinet Air Conditioner
      Mounting: Floor Standing
      Warranty: 1 Year
      CN
      16 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Flat pipe plug, flat air distribution box plug

      Flat pipe plug, flat air distribution box plug

      $0.07
      Min Order: 5 pieces
      CN
      1 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      High Effiency All DC Inverter Multi Prevention Central Air Conditioner

      High Effiency All DC Inverter Multi Prevention Central Air Conditioner

      $535.00 - $555.00
      Min Order: 10 pieces
      Type: Air Cooler
      Mounting: Floor Standing
      Warranty: 1 Year
      Airflow: 5000M?/H
      CN
      2 yrs
      5.0
      /5
      ·
      2 reviews
      ·
      Contact Supplier
      HX Centrifugal 1500mm 60 Inch 5m/s Prevent insect door 110v 230v Commercial Air Curtain For Overhead Door

      HX Centrifugal 1500mm 60 Inch 5m/s Prevent insect door 110v 230v Commercial Air Curtain For Overhead Door

      $149.00 - $153.00
      Min Order: 2 pieces
      Type: Air Curtain
      Mounting: Wall / Window Mount
      Warranty: 1 Year
      CN
      1 yrs
      5.0
      /5
      ·
      4 reviews
      ·
      Contact Supplier
      window-type mechanical filter for PM2.5 fresh air systems SD120

      window-type mechanical filter for PM2.5 fresh air systems SD120

      $257.00 - $260.00
      Min Order: 1 meter
      CN
      5 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Key flow type air curtain machine low noise air curtain supermarket natural wind shopping mall restaurant air curtain

      Key flow type air curtain machine low noise air curtain supermarket natural wind shopping mall restaurant air curtain

      $86.55 - $91.10
      Min Order: 1 set
      Type: Air Cooler
      Mounting: Wall / Window Mount
      Warranty: 1 Year
      CN
      8 yrs
      4.6
      /5
      ·
      12 reviews
      ·
      "Excellent service"
      Contact Supplier
      OEM ODM custom stainless steel welding part high quality rust prevention air grille ventilation diffuser vent

      OEM ODM custom stainless steel welding part high quality rust prevention air grille ventilation diffuser vent

      $3.50 - $4.00
      Min Order: 100 pieces
      CN
      8 yrsverify
      5.0
      /5
      ·
      1 reviews
      ·
      "good supplier"
      Contact Supplier
      Honeycomb holes special shield material for air vent and dust prevention aluminium alloy with flanges frame

      Honeycomb holes special shield material for air vent and dust prevention aluminium alloy with flanges frame

      $100.00 - $110.00
      Min Order: 5 pieces
      CN
      11 yrs
      4.5
      /5
      ·
      3 reviews
      ·
      "Fast shipping"
      Contact Supplier
      Factory Price Top Selling Round Air Tight Damper Air Duct Sound Attenuator Trap Steel Duct Silencer Circular Sound Attenuator

      Factory Price Top Selling Round Air Tight Damper Air Duct Sound Attenuator Trap Steel Duct Silencer Circular Sound Attenuator

      $3.50 - $40.00
      Min Order: 50 pieces
      CN
      3 yrs
      5.0
      /5
      ·
      1 reviews
      ·
      "fast delivery"
      Contact Supplier
      GYPEX Hanging explosion-proof dust prevention air conditioner industrial aircon 2horse

      GYPEX Hanging explosion-proof dust prevention air conditioner industrial aircon 2horse

      $2,660.00
      Min Order: 5 pieces
      Mounting: Wall / Window Mount
      Warranty: 1 Year
      Airflow: 900M?/H
      CN
      3 yrs
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Fresh air electric air volume valve 70 degrees 280 degrees electric smoke exhaust fire valve in basement parking lot

      Fresh air electric air volume valve 70 degrees 280 degrees electric smoke exhaust fire valve in basement parking lot

      $18.00 - $20.00
      Min Order: 50 sets
      CN
      1 yrsverify
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Factory Price Cold Storage OEM Cross Flow Air Curtain Air Conditioner Manufacturer

      Factory Price Cold Storage OEM Cross Flow Air Curtain Air Conditioner Manufacturer

      $37.00 - $47.00
      Min Order: 20 units
      Type: Air Curtain
      Warranty: 3 Years
      CN
      3 yrsverify
      4.8
      /5
      ·
      28 reviews
      ·
      "excellent service"
      Contact Supplier
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      About products and suppliers

      13113 air preventative products are offered for sale by suppliers on Alibaba.com, of which hvac systems parts accounts for 1%, air conditioners accounts for 1%. A wide variety of air preventative options are available to you, such as motor, engine and pressure vessel.You can also choose from manufacturing plant, home use and restaurant air preventative,as well as from competitive price, automatic, and high safety level air preventative,And whether air preventative is new, {2}, or {3}.
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