Honeywell Home Honeywell 10" Round Barometric Damper

* Counter-balanced weighted arm to control bypass air for zoned systems * Air pressure in duct system increases as zone dampers close, pushing the SPRD open automatically * Arm and weight both adjustable to control amount of air bypassed * Recommended for low pressure systems with less than 0.5 in. wc * Application: Static Pressure Regulating Damper * Used With: Honeywell zoning systems * Size (in.): 10 in. * Shape: Round * Motor: Weighted damper arm * Height: 12" * Width: 10" * Depth: 12" * Shipping: 3 lbs