Honeywell ARD14TZ Round Automatic Damper, 14″

Honeywell Automatic Round Damper power-close, spring-open models ensure low leakage while controlling circulating air in heating, cooling and ventilation systems.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 16.1 x 16.3 x 16.9 inches; 5 Pounds
Item model number ‏ : ‎ ARD14TZ
Date First Available ‏ : ‎ May 23, 2016
Manufacturer ‏ : ‎ Honeywell
ASIN ‏ : ‎ B01G1RAH7G
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