DURABLE AND HIGH QUALITY: Our floor drain check valves are made of 304 stainless steel, ensuring long-lasting performance even in high-temperature environments. Anti-odor and anti-backflow: The automatic shut-off function of the floor drain prevents odors and backflow from entering the drain, ensuring a clean and hygienic space. Efficient drainage: Our drain pipes feature an open-close design that allows for quick and unobstructed drainage and prevents water accumulation and blockage, allowing wastewater to flow smoothly. Easy to install: The universal interface design can be easily installed in most drain holes without complicated tools or procedures. Versatile and reliable: Suitable for use in a variety of pipelines, including bathrooms, kitchens and floors, our check valves are an essential part of effective wastewater management. Note : The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please