304 Stainless Steel Smoke Exhaust Pipe Gas Water Heater Accessories Smoke Exhaust Pipe Diameter 6cm Wall Exhaust Water In a piping system, elbow is a piece of pipe that changes the direction of the ...Xem thêm
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304 Stainless Steel Smoke Exhaust Pipe Gas Water Heater Accessories Smoke Exhaust Pipe Diameter 6cm Wall Exhaust Water