Easy to Install: Please check the required size carefully before purchasing, for connection ports with a diameter greater than 3.5 cm and less than 4 cm, plug and play, easy to install High Quality Material: The odor valve is made of high quality ABS plastic, not easy to deform, non-toxic and odorless, safe and durable Powerful Function: The odor-proof shower stopper is equipped with a valve to prevent sewer bugs, prevent the spread of odors and prevent sewer backflow. It has an anti-clogging filter inside to collect hair neatly and prevent clogging, thus preventing the drain pipe from being clogged Ingenious Design: Shower drain has a built-in magnetic water suction valve, the valve opens automatically when there is water and closes automatically when there is no water, the opening and closing range is 80° and the drainage is not blocked Strong Applicability: Shower hair catcher is suitable for kitchens, bathrooms and most floor drains and sewer pipes, it is an indispensable choice