product:hot pipe pert-al-pex size:OD25MM ID20MM application:hot water,solar,gas,wire, ... : 2000 certified.No.2: Our products include PEX-AL-PEX, PEX, PPR, PE, PEX-A/B, PE-RT Piping and Fittings. No ... . Coal gas and natural gas pipe;5. Drinking water within a certain district, pipe used for reclaimed water project;6. Piped ... /tube used for oxygen input in hospital; hot pipe pert-al-pex