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| Best Seller  | 12.5 In.H-W Manual Ceiling Radiation Damper, Damper Application Ceiling Radiation, Frame Material Steel, Overall Height 3 5/8 in, Rough Opening Shape Square, For Duct Shape Square, Overall Width 12 1/2 in more | go to store |
 | 12.5 In.H-W Manual Ceiling Radiation Damper Damper Application Ceiling Radiation Frame Material Steel Overall Height 3 5/8 in Rough Opening Shape Square For Duct Shape Square Overall Width 12 1/2 in more | FREE shipping go to store |
| Best Seller  | The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | $19.99 $18.49 FREE shipping go to store |
 | Uxcell 5 HVAC Duct Manual Volume Damper with Sleeve Airflow Backdraft Damper The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | $62.99 $32.39 FREE shipping go to store |
 | Uxcell 5 HVAC Duct Manual Volume Damper with Sleeve Adjustment Backdraft Damper The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | $60.99 $35.89 FREE shipping go to store |
 | PLASTIC SUPPLY PVCB04 Manual Blastgate, Type I PVC, 5 in L Blast Gate, For Nominal Duct Diameter 4 in, Body Material Grade Type 1, Body Material PVC, Overall Length 5 in, Product Type Manual Blast Gate, Blade Material PVC, Maximum Temperature Rating 140 Degrees F, Seal Material Not Applicable, Standards Cell... more | go to store |
 | The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | $34.49 $31.49 FREE shipping go to store |
 | The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | FREE shipping go to store |
 | The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | $14.99 $13.99 FREE shipping go to store |
 | The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | FREE shipping go to store |
 | This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans range hoods and dust collectors to the ventilation duct system you can connect two air ducts of different diameters to create a seamless ventilation system... more | FREE shipping go to store |
 | This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans range hoods and dust collectors to the ventilation duct system you can connect two air ducts of different diameters to create a seamless ventilation system... more | FREE shipping go to store |
 | Uxcell 4 HVAC Duct Manual Volume Damper with Sleeve Adjustment Backdraft Damper The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | $47.99 $26.49 FREE shipping go to store |
 | Uxcell 6 HVAC Duct Manual Volume Damper with Sleeve Airflow Backdraft Damper The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | FREE shipping go to store |
 | The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | FREE shipping go to store |
 | 4\ HVAC Duct Manual Air Volume Damper Metal Adjustment Backdraft Damper Features: *Made of durable Galvanized Iron which has high hardness and high temperature resistance not easy to deform and corrosion moisture-proof and fade resistant can be used for a long time; *The side is designed with a rotary handle which can... more | $29.71 $25.71 go to store |
 | The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | $46.49 $41.99 FREE shipping go to store |
 | Lierteer 4 HVAC Duct Manual Air Volume Damper Metal Adjustment Backdraft Damper Features: *Made of durable Galvanized Iron which has high hardness and high temperature resistance not easy to deform and corrosion moisture-proof and fade resistant can be used for a long time; *The side is designed with a rotary handle which can... more | $32.63 $28.64 go to store |
 | Uxcell 3 HVAC Duct Manual Volume Damper with Sleeve Adjustment Backdraft Damper The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | FREE shipping go to store |
 | The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | FREE shipping go to store |
 | Uxcell 8 HVAC Duct Manual Volume Damper with Sleeve Adjustment Backdraft Damper The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | FREE shipping go to store |
 | Uxcell 10 HVAC Duct Manual Volume Damper with Sleeve Adjustment Backdraft Damper The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | FREE shipping go to store |
 | This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans range hoods and dust collectors to the ventilation duct system you can connect two air ducts of different diameters to create a seamless ventilation system... more | FREE shipping go to store |
 | This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans range hoods and dust collectors to the ventilation duct system you can connect two air ducts of different diameters to create a seamless ventilation system... more | FREE shipping go to store |
 | Uxcell 6 HVAC Duct Manual Volume Damper with Sleeve Adjustment Backdraft Damper The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | $61.99 $34.89 FREE shipping go to store |
 | Duct flanges are widely used for air ventilation systems in homes kitchens bathrooms garages factories etc. What s more it can be used on welded exhaust pipe spiral exhaust pipe exhaust pipe elbow fittings fan hose connector. Advantages 1. The flange... more | FREE shipping go to store |
 | The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | $67.49 $60.49 FREE shipping go to store |
 | Uxcell 8 HVAC Duct Manual Volume Damper with Sleeve Airflow Backdraft Damper The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | FREE shipping go to store |
 | The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | $12.45 $11.49 FREE shipping go to store |
 | The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | FREE shipping go to store |
 | Uxcell 12 HVAC Duct Manual Volume Damper with Sleeve Adjustment Backdraft Damper The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | FREE shipping go to store |
 | This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans range hoods and dust collectors to the ventilation duct system you can connect two air ducts of different diameters to create a seamless ventilation system... more | FREE shipping go to store |
 | Uxcell 4 HVAC Duct Manual Volume Damper with Sleeve Airflow Backdraft Damper The manual volume damper is used for air volume regulation in an air ventilation system widely used in HVAC industry. With that installed in your HVAC systems you can easily control the air flow rate or close off an air duct if needed to some extent it... more | $54.99 $32.39 FREE shipping go to store |
 | This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans range hoods and dust collectors to the ventilation duct system you can connect two air ducts of different diameters to create a seamless ventilation system... more | FREE shipping go to store |
 | This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans range hoods and dust collectors to the ventilation duct system you can connect two air ducts of different diameters to create a seamless ventilation system... more | FREE shipping go to store |
![Fits 24x20 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | HVAC Cold Air Intake Grille | Outer Dimensions: 26 5/8 W X 22 5/8 H](http://d.bizrate.com/image/obj/16564953778;sq=75;p=0;t=ooPwmM0WTWKQVE9JRlQxe77evbZuk6332WBmP4KmtReI1TimOL0xZMvCdHzRc6dAY-6Q0a-0PqRBbK9SSGxQubNX68m4NP19SgZAy8Dlar4-nmEx1BWFBgHvlHTLtm-XU6iM18FTDX000y-Q9cH8l0aCi5tahzCEPeoiaE3fpWcrIqbNrlIXVQ7NjFcOetTPtgV0;cc=US "Fits 24x20 Duct Opening | Steel Return Air Filter Grille by Handua [Removable Door] for 1-inch Filters | Vent Cover Grill | White | HVAC Cold Air Intake Grille | Outer Dimensions: 26 5/8 W X 22 5/8 H") | Return Air Filter Grille for 24 x20 Duct Opening White Steel * 1/3 spaced fins set at 50 degrees. * Effectively conceals filter. * Use standard 1 thick disposable filters (not included). * Removable face for easy installation and cleaning. * Equipped... more | go to store |
 | 4/5 Inch Inline Duct Fan Ventilation Quiet HVAC Exhaust Blower Feature: *Effective ventilation.powerful blower with a fan speed of 2400/2450RPM for an of 200/395CFM. Moves through your target location efficiently for optimal ventilation. *Low noise level. Durable plastic fan housing and blades for extremely low... more | $63.31 $53.32 go to store |
 | Ductboard Take off Start COLLAR 5 for HVAC Duct Work heavy duty steel. Fingers on one side help you hook it to plenum or duct board or any other surface. Perforated with 2 wholes if you later decide to add damper to it. Galvanized that lasts Company that you can Trust more | FREE shipping go to store |
 | 4/5 Inch Inline Duct Fan Ventilation Quiet HVAC Exhaust Blower Feature: *Effective ventilation.powerful blower with a fan speed of 2400/2450RPM for an of 200/395CFM. Moves through your target location efficiently for optimal ventilation. *Low noise level. Durable plastic fan housing and blades for extremely low... more | go to store |
 | Aceovo 4/5 Inch Inline Duct Fan Ventilation Quiet HVAC Exhaust Blower 4inch Feature: *Effective ventilation.powerful blower with a fan speed of 2400/2450RPM for an of 200/395CFM. Moves through your target location efficiently for optimal ventilation. *Low noise level. Durable plastic fan housing and blades for extremely low... more | go to store |
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