Extra Heavy Duty Teardrop Blade Backdraft Damper

Model:	900
Minimum Panel Size:	8" x 8"
Maximum Panel Size:	60" x 96"
Frame Depth:	10"
Frame Material:	12 ga. Galvanized Steel
Frame Type:	Channel
Blade Type:	Teardrop
Blade Material:	.080" Thick Extruded Aluminum 6063-T6/T52 Alloy
Blade Action:	Parallel
Blade Seals:	Extruded Silicone Rubber off-set leg
Jamb Seals:	None
Bearings:	Ball Bearing Pressed Into Frame
Axles:	¾ Diameter Plated Steel
Linkage:	Fully Adjustable Face Linkage
Temperature Limits:	-30°F to 190°F
Finish:	Mill

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