4-point one-way check valve anti-water toilet toilet back flow back water check valve water heater water pipe check valve

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Brand:
Lsnuo
Model:
Check valve
Material:
Copper
The origin of:
Mainland China
Province:
Zhejiang province
Cities:
Wenzhou city
Color classification:
(Stainless steel) Outer wire flowing to inner wire (4 points (1 installed) (stainless steel) outer wire flowing to outer wire (4 points (1 installed) (all copper) outer wire flowing to outer wire (4 points (3 only)
Connection:
other other
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