... better than rubber insulation pipe,no matter the insulated effect,install,transportation and lifespan.3.The ... composite pipe,insulation pipe,PPR pipe,pipe with insulated,pipe with corrugated,brass fittings and manifolds. ... al pex with PEF insulated in coil.Look at the surface of PEF insulated pipe,it can be ... welded pex al pex pipe with insulated can be packed in coil,package length is 50meters,100meter ...