Stainless steel material: The shower floor drain is made of 304 stainless steel, which is corrosion-resistant and not easy to rust; the surface is treated with high-temperature automotive paint technology, finely polished to prevent paint chipping, scratch-resistant, smooth, and safe for bare feet, offering an elegant and stylish appearance. Powerful drainage: The kitchen floor drain is 20 cm long, providing fast drainage speed and high water displacement, capable of handling daily household drainage needs and suitable for most households. The floor drain cover thickness is 1.42 mm and the base thickness is 19.18 mm, made of thick, durable material. Double filtration: The upper layer features a slotted panel for quick water drainage and primary filtration, while the lower layer includes a filter to capture hair and debris for secondary filtration. This dual filtration design helps prevent clogs in the sewer pipe. Self-closing anti-odor core: The black linear floor drain includes a flap-style drain core that operates on a gravity-based closing mechanism, automatically opening when water flows and closing when dry. This helps prevent sewer odors, insects, and backflow, contributing to a healthier bathroom environment. Applicable drainage pipe diameter: This floor drain fits sewer pipes with a diameter of 5075 mm. Side drainage design makes it ideal for corner installations. The black floor drain features a bayonet-style design, allowing the cover to be easily removed for cleaning.