Gray Metal Product 2506 Poly Insulated Flex Duct Pipe, Black, 6 X 25' by Gray Metal

描述

"Gray Metal Flex Duct, UL 181 approved Class 1 Air Duct material., Jacketed with a black polyethylene vapor barrier., airtight core is a polyester laminate encapsulating a galvanized spring wire helix., Fiberglass Insulation is a minimum of 1 – 1/4 thick.