High Quality Description: Adapt the principle of gravity and magnetic self-closing technology. The square design is used in every places, so that the construction worker do not need to cut other shapes of gaps in the floor. This kind of floor core has good deodorant and anti-insect effects, and no sewage will overflow from pipeline, also with good sealing and waterproof integrity. Quick Drainage: The large-area hollow baffle design is suitable for the shower room, which is easy to deal with the daily large amount of drainage, and the speed is fast and does not accumulate water. Build-in Hair Cather and Tool: The built-in hair filter can effectively block hair and other sundries, is not easy to be blocked, and is easy to clean.