Material ASTM-A653 CS Type B Galvanized Steel, 30GA Item# 100324 (24″) G-30 Coating LFQ Chemical Treatment Item# 100326 (26″) ******Also Available in 28GA, 26GA and 24GA
Features 241: A 1/8″ Hem on both collar and register openings. A Royal plaster frame may be used to hange the boot in a ceiling mount.
241F: An 1″ Outboard flange around the perimeter of the register opening with a 5/8″ drywall edge. Royal boot rails may be used to hang the boot in a ceiling mount.