Protect the on KOHLER products, always look for the KOHLER GENUINE PARTS logo 2" flapper without float used in various two-piece toilets with 3. 5+ gpf Also used in STERLING and KALLISTA toilets Compatible with the following KOHLER Models: Vintage 3410, 3411, 3412, 3413, Wellington 3415, Cayuga 3440, Wellesley 3441, Bolton 3450, 3475, Wellworth 3500, 3502, 3504, 3510, 3512, 3514, 3520, 3521 Highline 3518, 3527, Couture 3470, Northline 3516, Barrington 3530, 3535, 3536, Pic Wicker 14100, Northern Lights 14128, Solstice 14076, Loon 14133, Evensong 14143, Garland 14150, Jamboree 14159, Sterling Windham 404515