3 INCH Toilet Mechanism, TWO PIECE AND ONE PIECE Flush Valve available. Fit Most 3″ Toilet TANK OUT LET. Like the american stantard, ToTo ,KOHLER ETC Overflow pipe can be choosed to adjustable.   Gasket :    We Have Been Working In The Plumbing Industry, Designing And Manufacturing Cistern Fittings. Until now,Some Of Our Products has …