Zhongshuai brass water meter telescopic check valve. The copper water meter is connected in front. Check valve. Internal and external wire check valve. Front valve. Valve. Copper fittings. Table conne
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Zhongshuai brass water meter telescopic check valve. The copper water meter is connected in front. Check valve. Internal and external wire check valve. Front valve. Valve. Copper fittings. Table connection
6 points and 4 points 
1 minute and 6 points outside the wire 
yellow