... and refrigeration systems. It also efficiently reduces heat transfer for hot-water plumbing and liquid-heating and dual-temperature piping. Kingflex ... Aircon is ideal for applications in:Air-conditioner, including hot gas pipingIceboxSolar collectorsAutomotive and diesel under hood, including air conditioning ... , 15, 10, 8, 7, 6, 4, 3, 2.5)- heat insulation pipe for air conditioner