COOLSAFE is a complete piping system consisting of a polyethylene inner layer, a polyurethane insulation core, and a polyethylene outer layer. It installs easily using conventional butt- or electrofusion-welding methods and provides thermal conductivity better than 0.026 W/m-K (0.015 Btu-ft/h-ft2-F). Available in 1-in. to 10-in. sizes, it includes a complete range of fittings.