DAYTON 6KWP5 Roof Curb Adapter,Curb Side Sq O D 24 In
$317.99
Roof Curb Adapter, Adapter Type Increaser, For Fan Base Size 21 1/2 in, For Curb Size 24 in, Material Steel, For Fan Type Downblast Fans, Filtered Supply Fans, Upblast Fans, Curb Side Width 24 in, Fan Side Width 21 1/2 in, Finish Galvanized,...