Just take out the old bouncing core and install anew wash basin plugs.Note that it cannot be used with a drain hole having cross in it. Kindly double check if you have a drain hole like that. 【Denser Strainer】Denser anti-clogging basket filter is designed in the sink drainer plug, which can achieve more efficient filtration without affecting the drainage speed,can filter small debris well, such as hair, jewelry, etc., to prevent clogging drains.Sink drain plug suitable for kitchen sinks, wash basin, bathtubs, etc，.
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