Suitable for most pipe types, including coppers, mild steel and carbon steels pipe Suitable for radiators, manifolds and most heating valves to cold and hot water, with operating temperatures from 5°C to 90°C Make of Brass, strong and resistant, great for heating systems Can be quickly assembled or disassembled to facilitate maintenance work compression fittings have fixed stops that making connection firmly and safe, simplify the installation process and avoid the risk of pipe deformation, Manufacturer: HDOYTXXM