Duct Flanges
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Duct Reducer, PVC Duct Adapter, 6 to 4Inch PVC Reducer Duct Increaser for Grow Tent HVAC Ventilation System（2PCS）
$26.99
[High Quality Material] The Duct Reducter is made of ABS plastic high strength and flexibility not easy to deform or break, providing a good ventilation effect. [Size] On one side...
4 Inch Backdraft Damper, 1 Way Air Flow Stopper ABS Duct Connector Accessory Ducting Pipe Non Return Valve Backdraft Damper 6in Draft Blocker Ventilation Duct Check Valve（2PCS）
$26.99
1. One-Way Airflow Backdraft Damper Designed with a built-in backflow damper, this 4 inch backdraft damper allows air to flow in one direction only, effectively preventing reverse airflow and maintaining...
3Way Duct Splitter,Y Branch Air Vent Duct Outlet Exhaust Connector, 3 Way Duct Connector, 4 Inch Duct Splitter for Exhaust Fan Dryer Vent Hose, Y Shape (2PCS)
$26.99
The duct connector is a three-hole connector with two branches. With the dryer vent connector can be connected to exhaust fans, dryer vent covers and vent seals Made of premium...
Duct Reducer, PVC Duct Adapter, 8 to 6 Inch PVC Reducer Duct Increaser for Grow Tent HVAC Ventilation System （2PCS）
$30.99
[High Quality Material] The Duct Reducter is made of ABS plastic high strength and flexibility not easy to deform or break, providing a good ventilation effect. [Size] On one side...
6 Inch Backdraft Damper, 1 Way Air Flow Stopper ABS Duct Connector Accessory Ducting Pipe Non Return Valve Backdraft Damper 6in Draft Blocker Ventilation Duct Check Valve （2PCS）
$30.99
1. One-Way Airflow Backdraft Damper Designed with a built-in backflow damper, this 6 inch backdraft damper allows air to flow in one direction only, effectively preventing reverse airflow and maintaining...
3 Way Duct Splitter,Y Branch Air Vent Duct Outlet Exhaust Connector, 3 Way Duct Connector, 6 Inch Duct Splitter for Exhaust Fan Dryer Vent Hose, Y Shape
$30.99
The duct connector is a three-hole connector with two branches. With the dryer vent hose it can be connected to exhaust fans, dryer vent covers and vent seals Made of...