Spring Loaded Stainless Steel Check Valve for Kitchen Bathroom Vent Pipes

Material:Stainless steel. 1 xCheck Valve. Size:Connecting 100mm pipe: 145 145 98mm (suitable for 100-120mm wall holes);. Connecting 150mm pipe: 188 188 147mm (suitable for 150-160mm wall holes);. Connecting 160mm pipe: 212 212 157mm (suitable for 160-180mm wall holes);.

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