Avoid Clogging: The drain plug is evenly distributed with many pores, which not only can effectively filter dirt, but also can prevent insects from entering from the sewer; smooth drainage can effectively avoid sewer clogging. Anti-corrosion and anti-rust: The bathtub drain filter is made of high-quality 304 stainless steel, with smooth edges without burrs, fine workmanship and long service life. Easy to Use: Installation diameter of the drain filter: 5.5 cm, height: 5 cm, inner diameter: 3.2 cm; When installing, a floor drain of the same size can be directly inserted without tools, please check the size of the old sink filter before ordering. Easy to Clean: The fine hole design can easily clean the food residue and debris in the drain filter ; it can be removed by inverting or tapping lightly; wash it under running water to avoid odor. Wide range of applications: the drain protector is suitable for most of the sink, drain, etc.; it is an indispensable choice for homes, hotels, office buildings and restaurants.