DAYTON 3AZK9 Roof Curb Adapter,Curb Side Sq O D 26 In
$331.99
Roof Curb Adapter, Adapter Type Increaser, For Fan Base Size 21 1/2 in, For Curb Size 26 in, Material Steel, For Fan Type Downblast Fans, Filtered Supply Fans, Upblast Fans, Curb Side Width 26 in, Fan Side Width 21 1/2 in, Finish Galvanized,...