K-flex Usa 3G-OTH-574120 — Technical Specifications

The K-FLEX USA Duct Liner (0.55 NRC) is a sound-absorbing duct liner with a thickness of 1.5 in, overall length of 35 ft, and overall width of 48 in, rated for temperatures from -297°F to 300°F. As a K-FLEX USA product, it is designed for thermal and acoustic insulation in HVAC ductwork. 3G Electric interprets customer demand and delivers this genuine industrial product across 14 departments—including HVAC & refrigeration—with specialist depth in combustion, pumps, and controls as an authorised distributor.