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H-type vent pipe
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A tube retractor
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bushing
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Blind blocking
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90 ° middle elbow
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TY four links
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45 ° single elbow
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Y four links
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Double closing type leakage mending clip
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T four links
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Quick coupling fittings
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Y three links
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Double closing and separating water clamp tee
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T three links
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45 ° zigzag
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Big head
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45 degree elbow
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Variable diameter
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90 ° single elbow
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The floor drain