Vent Damper, 6 in Pipe Size, Voltage 24 V, Stainless Steel, Time to Open 15 sec, Time to Close 15 sec, Length 6 1/2 in, Height 10 7/8 in, Exposed Pipe Length 5 1/4 in, Application Gas Boiler. This item has been restricted from sale in the following state (s): []