Name: Shop Air Conditioning Products Backdraft Damper 20" - 411-STD 20 ✓Free Sitewide Shipping ✓Fanclaw.com
SKU: Air Conditioning Products WBB771519
Price: 48.27 USD
Availability: InStock

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Air Conditioning Products Backdraft Damper 20" - 411-STD 20

Original price was: $68.95.Current price is: $48.27.

SKU: Air Conditioning Products WBB771519 Categories: Dampers, HVAC Hardware & Parts Tags: 1, 411-STD 20, Air Conditioning Products, Aluminum/Galvanized Steel, Backdraft, Horizontal, HVAC & Fans, Power Roof Ventilators

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Backdraft Dampers are non-flanged horizontal mount exhaust backdraft damper. The frame is galvanized steel with aluminum blades. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Spring assisted to allow the blades to open quickly. Ideal for use in roof curbs, ductwork, or wall collars when using a fan or power roof ventilator. Recommended for horizontal mount exhaust applications.

MADE IN THE USA

Max Velocity	2000 ft/min
Number of Panels	1
Brand	Air Conditioning Products
Manufacturers Part Number	411-STD 20
Material	Aluminum/Galvanized Steel
Mounting Location	Horizontal
For Use With	Power Roof Ventilators
Type	Backdraft
Width	19-3/4 in
Weight	5 lbs
Depth	2 in
Diameter	20 in
Height	19-3/4 in
Free Area	2.17 ft³
Max Pressure In W.G.	1 in
Rough Opening	20 x 20 in
Warranty	1 yr