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Built-in flange
in a furnace auxiliary booster fan application
Antibacterial
Manufactured in Canada
No internal wiring - just plug in and enjoy
Backdraft Damper 5" S-LINE Built-in flangeDesign features: Spring loaded backdraft dampers Neoprene damper seal minimizes leakage Requires from 0. 04 to 0. 08 inches wg pressure to open Simple installation in any position Entire assembly inserts into duct
US$ 45.79
US$ 47.87
US$ 27.74
US$ 37.34
