Linesets 014K1000L S - K-Flex Titan Line Sets are fully assembled and ready to install - SAVES TIME!K-Flex Titan is a flexible, co-extruded, jacketed composite material applied to K-Flex NBR/PVC tubular insulation. It's polymeric jacketed material offers excellent flexibility, abrasion and weather resistance.Available in lengths ranging from 15 ft. up to 100 ft.