Can be used for refrigerator air conditioning inside drain can also be used in home when some of the pipe.High temperature resistant temperature can reach 95 degrees and can corrosion can be simple installation also can be recycled Certificates:ISO9001-2008 The pipe inside can also add aluminum-plastic layerSee products, don't understand the words can ask me Generally we produce three kinds of material pipe polyethylene, polypropylene and aluminum pipe