The 0800 Collection is offered in two body variations to be used with steel duct: a double flange screw gap mounting variety (M1) or a knock-around tab kind (M2). Both equally styles come with a straightforward set up Slice-out template which makes the oval shape openings extra easy to Reduce. https://heavydutystainlesssteelda67788.loginblogin.com/44757657/detailed-notes-on-heavy-duty-stainless-steel-damper-manufacturers