... the 304 stainless steel wire, EPDM tube fittings for the copper, woven pipe are stainless ... 201 and 304 stainless steel, EPDM tube, the copper fittings Woven pipe according to the production process ... 304 steel wire, EPDM material, the copper fittings mainly. Applicable period normally in five years. ... , food grade silicon tube, food grade PEX-B tube, 58-3 all the copper fittings, silicone gaskets, etc ...