MECHCO PAIR COIL TO ASTM B 280 / JIS H 3300 supplies Insulated Pair Coils in both a standard white cross linked polyethylene with option of extra UV protection skin and a fire resistant black nitrile rubber version for high humidity regions. Pair Coils have the benefits of fast and easy installation without the need for gluing and taping of short lengths. All of the MECHCO copper meets the requirements of R410A and some other high pressure refrigerants and are manufactured to JIS H 3300. Refer to the separate brochures on our website for more details.