... , EPDM tube fittings for the copper, woven pipe are stainless steel niv gold-rimmed (wire) cent, also ... have 201 and 304 stainless steel, EPDM tube, the copper fittings Woven pipe according to the production ... is leaking, oxidation, etc. Middle-grade woven pipe mainly 304 steel wire, EPDM material, the ... is supreme, the configuration of the common 304 stainless steel wire, food grade silicon tube, food ...