SHUT OFF VALVE BOX high quality stainless steel shut-off valve, Copper pipe is 22mm diameter, cold rolled steel processed SHUT-OFF VALVE BOX1 Use high quality stainless steel shut-off valve, stable and reliable2 Copper pipe is 22mm diameter, the thickness is 2.5 mm.3 The shut-off box is cold rolled steel processed and surface painted.4 One shut-off box can install one or two or three kinds of gas ...
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