The Adjustable 3" Flush Valve and Tank to Bowl Gasket Kit fits specific toilet models made after 1997. Quick and easy to install, the flush valve height easily adjusts from 7" to 11-1/2", with no tools or hack sawing required. The oversized tube and funnel reduce flood risk while the included premium flapper and tank to bowl gasket ensure a tight, leak-proof fit. The kit fits most 3" 2-piece toilet tanks including:American Standard® Cadet 3® (4019, 4021), Champion® (4260, 4272, 4281), Champion 4® (4077, 4266, 4272, 4281), AquaSource® (AT1201, AT1203), Crane® Sure Flush® (31242), Eljer® Diplomat® (4019, 4021), Stratus® (4007), Titan® (141-0777), Titan 4® (4272), Ferguson® Pro Flo HET (PF9400), Gerber® Avalanche® (28-890, HE-28-890), Jacuzzi® Era® (BK37), Espree® (EZ36), Maxima® (EZ37), Perfecta® (EZ33, GU04959), Prestige® (GV80), Mansfield® Barrett® (106), Summit® (386), Maverick® (112), Waverly® (3195), Pegasus® Westminster (164-146), TOTO® Drake® (743S), Eco Drake® (743E), Tuscany ® Sereno® (11-105). Please note: flush valve does not fit Kohler® toilets. Easy to install, the 5030 includes: (1) Large 3"- 4" Flush Valve, (1) Large Tank to Bowl Gasket, (1) Large 3" Premium Flapper, (1) Set of Hardware and (1) Instructions.