DUCT COLLAR AIR TIGHT - 12 INCH
DUCT COLLAR AIR TIGHT - 12 INCH at HorticultureSource.com -
DUCT COLLAR AIR TIGHT - 12 INCH (736464) Ideal-Air Duct Collar - Air Tight Quick solution for easily connecting your ducting to your wall, floor or ceiling opening. 1.5" mounting flange with adhesive neoprene gasket for trouble-free, air-tight installation. Made from galvanized steel. Manufacturer's Product Information MSRP $ 16.99