The Fits Mansfield 210 and 211 Valve Seal is designed to fit both 2 inch 210 and 211 Mansfield flush valves. The exclusive longest lasting red rubber resists chlorine, bacteria, city water treatment, hard water, and well water. Easy to install, the 427 includes: (1) Valve Seal. Fits Mansfield #210 and #211 flush valvesLong lasting red rubber resists chlorine, bacteria, city water treatment, hard water, and well waterEasy to install, Mansfield flush valve seal is made of flexible rubber for a tight sealFlush valve seal dimensions measure, outside diameter: 10-5/16 inches, inner diameter measure: 9-1/2 inchesMade in the USA5 Year WarrantyIncludes: (1) Valve Seal