Material: 304 stainless steel + plastic Image: Diameter 79.3 mm Net weight: 46.3 g Specification: 79.3 mm This product is made of 304 stainless steel, does not rust, the body is thick and the water sealing performance are good Scope of the adaptation: If the old filter is always there, simply measure whether the external diameter of the filter is 79.3 mm or not. If the old is not there, measure the size of the drain hole in the sink, which can be slightly larger than 2 mm Product design: handle (chrome brass), sieve of Filter (SUS304 stainless steel), sealing ring (rubber), spacer (SUS304 stainless steel), cap (chrome brass), steel ball (SUS304 stainless steel) Real material: Thick stainless steel 0.5 mm, not flattened Rubber sealing ring: flexible rubber, good sealing performance