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Easy to install, plug and play, quick drain and adjustable size.
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It automatically opens when draining and closes after draining.
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Function: Deodorization, no flaws.
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When the water into the ground drain, the gravity of the water will open the bottom of the ABS gasket, dripping unimpeded.
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After disruption of water, ABS gasket is automatically closed due to gravity. Completely sealed so that the gas in the pipeline, pests and overflow can not be up.
