IMPERIAL 4-in x 4-in Galvanized Steel Round Full Flow Duct Wye in the Duct Transitions & Connectors department at
DynAir Damper Regulators - Splitter Damper Bracket – Hardcast - Sweets
Electric PVC Plastic Air Damper Motorized Air Duct Ventilation Pipe Valve 75mm
Durable Material: The body is made from stainless steel material and the flap blade is made from aluminum, durable material for long-lasting
PATIKIL HVAC Duct Manual Volume Backdraft Damper, 4 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel, for
Damper Quadrant Handle (1/2 , 3/4 , Butterfly) - Cool
Deflect-O 4 in. W X 5 in. L White Plastic Back Draft Damper - Ace Hardware
Splitter Damper Bracket and Ball Joint Damper Casting - Conklin Metal Industries
PRODUCT SIZE: Diameter 100MM/4 inch, length 88MM/3.5 inch, thickness 0.5MM/0.02 inch. Please confirm the size before purchase. HIGH QUALITY MATERIALS
2Pack 4 inch Backdraft Damper Duct, One Way Airflow Ducting Insert for Ducting in Range Hoods, Bathrooms Fans and kitchen Fan
Deflect-O 4 in. W X 5 in. L White Plastic Back Draft Damper - Ace Hardware
Duct Splitter, Duct Fittings and HVAC Air Duct Splitter Manufacturer