Honeywell Home Honeywell Home 8 Inch Round Automatic Damper

Features:Features galvanized steel with single-blade damper, which closes off tightly against gasket for minimal leakageDesignated as power closed/spring return open damper for use with Honeywell Zoning SystemsCan be field-converted when used as an independent zone or for fresh air intakeRated to operate up to 1-inch water columnAvailable in 5- to 10-inch, 12-, 14-, 16-, and 18-inch diameter sizesSpecifications:Height: 10-1/8"Width: 13"Depth: 8-1/2"Manufacturer Warranty: 5 Years