Toilet Tank Rubber Gasket 1)Water proof 2)OEM is welcomed 3)Fit for coonetions with pumps,valves,etc R450102 Toilet Tank Rubber Gasket* Size:pls ... performance,long lifespan.* Usage:Applicability fit for various toilet,faucets,fittings,pipes and other bathroom accessories.* OEM service* Stirct QA & QC ... and free sample for design and quality check. R450102 Toilet Tank Rubber Gasket