Galvanized Steel Intake or Discharge Backdraft Damper

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Model:	BS66
Filter:	BS66
Minimum Panel Size:	8" x 11"
Maximum Panel Size:	48" x 72"
Frame Depth:	4" Deep
Frame Type:	Hat Shaped Channel
Frame Material:	16 ga. Galvanized Steel
Blade Type:	Single Thickness
Blade Material:	16 ga. Galvanized Steel
Blade Action:	Parallel
Blade Seals:	³/₁₆" Thick Polyurethane Foam
Shaft:	½" Diameter Plated Steel Stub 6" Long Mono-Bolted to Blade
Bearings:	Oil Impregnated Sintered Bronze, Flanged Sleeve
Linkage:	⅛" Thick Plated Steel Bracket with ½" Dia. Steel Pivot in Celcon Sleeve Bearing On-Blade
Finish:	Mill
Temperature Limits:	-30°F - 180°F

Adjustable Counterweights:	Assist or Resist Opening
Bearings:	Nylon, Ball, Sintered or Stainless Steel
Jamb Seals:	Polyurethane or Neoprene
Blade Seals:	Neoprene
Other Materials:	Aluminum or Stainless Steel