Dayton Steel 17"W 5"H Roof Curb Reducer 3AZK1 - 1 Each
$369.46
Roof Curb Adapter, Adapter Type Reducer, For Fan Base Size 18 1/2 in, For Curb Size 17 in, Material Steel, For Fan Type Downblast Fans, Filtered Supply Fans, Upblast Fans, Curb Side Width 17 in, Fan Side Width 18 1/2 in, Finish Galvanized, Function…