Replacement Sealant Ring, For Flusher Fixer Kit Model 555C, Replaces Old Or Damaged Sealant Ring, May Be Added To Existing Kit To Be Used On Porcelain, Over Sized Flush Valve Seats That Are Molded Into Tank. 2602 Flush Valve Sealant Ring. For use with 555C Five Minute Flush Valve Repair Kit. Installs Easily.