1.Product size: Our sink strainer has a brass socket (7 mm diameter), stainless steel strainer (77 mm diameter), brass plug (32 mm diameter), plus rubber sealing ring, it can fit more for the kitchen sink, and our sink strainer is suitable for most sinks and sinks with locking plugs.<br> 2.Highquality material: the filter is made of highquality 304 stainless steel, smooth surface, not easy to rust, heat resistant, with good corrosion resistance, our stainless steel sink strainer is suitable for all sinks, and this sink strainer is easy to install with simple steps, convenient and applicable for a wide range of applications.<br> 3. Filter Holes improved 20 drain holes, unlike the previous 18hole filter, the 20hole filter can drain faster, which can filter out residue such as residue, grease, hair and other contaminants that occur when washing dishes or vegetables to keep the sink clean and not clogged.<br> 4.Rubber sealing ring: the rubber sealing ring can better seal the gap between the filter head and the cartridge and prevents impurities from entering the cartridge through the gap to achieve the filter effect, and the rubber sealing ring can hold the cartridge in place to prevent the cartridge from moving or falling off during use, which affects the filter effect.