Installed in 2019, used for about 3 years by a couple. This is the burner grate for the Rinnai gas stove that came with the LIXIL kitchen. Model number of the stove: R3634B0W1V Large size part code: 010-414-000 Small size part code: 010-415-000 Set of 3, including two large and one small. Shows signs of use. Cleaned. * Immediate purchase OK, no comment needed, following Mercari rules. * No smokers, no pets. * Please understand that this is a used item and has been stored at home. * Mercari shipping may change between Yu-Yu and Raku-Raku depending on packaging and weather.