Honeywell ARD8TZ Round Automatic Damper, 8"

Brand: HoneywellFeatures: Features galvanized steel with single-blade damper, which closes off tightly against gasket for minimal leakage Designated as power closed/spring return open damper for use with Honeywell Zoning Systems Can be field-converted when used as an independent zone or for fresh air intake Rated to operate up to 1-inch wc Details: Honeywell Automatic Round Damper power-close, spring-open models ensure low leakage while controlling circulating air in heating, cooling and ventilation systems.Package Dimensions: 11.3 x 10.7 x 10.5 inches