20″ 20 R-4 BLACK FLEX 25′ BAG – 2020

ITEM DESCRIPTION

Flexible Duct, UV-Inhibited, Air, 20 in Dia, 25 ft LG, 10 in wc Positive, 0.5 in wc Negative, -20 to 180 °F Continuous, -20 to 200 °F Intermittent, R4.2 Insulation, 6000 fpm Max, Polyethylene Vapor Barrier, Fiberglass Insulation, Black Jacket, Round, ASTM C518, Meets HUD/FHA, NFPA, UL