3-Inch Flush Valve Replacement for 1 Piece Toilets Product Specifications: Material:Plastic, Rubber ?Item weight: 0.44lb Feature: Only suitable for one piece toilet tank diameter with :3?(82mm - 90cm). Improve your experience and save water Easy installation Please check the dimensions carefully Package Content: (1) One Piece Toilet Tank Flapper Flush Valve *1 Notes: All dimensions are measured manually and there may be small deviations. The color may have different as the difference display, Please understand. Please check the size in the second image before buying. Our aim is to provide top level customer service, please feel free to contact us so that we can try our best to solve any problem. Thank you very much!