Galvanized Viewing Spool for Clamp Together Duct

and along with our elbows, branches, and reducers make installing your ductwork project easy, almost too easy.

Viewing spools are transparent sections of duct that allow for viewing the air stream and its contents inside the duct. Viewing spools are especially useful for applications and locations where ensuring the absence of material blockage is of concern. Available in diameters from 3" up to 14". Select the appropriate size from the drop box above.