Kohler K-4620-TC-0 Wellworth Concealed Trap Toilet Tank with Left-Hand Trip Lever, White Wellworth toilets have been an American benchmark for innovation and performance for over 65 years Combines with K-4274 Highline Comfort Height(TM) elongated toilet bowl to create K-3427 Wellworth Highline elongated toilet with Left-hand trip lever Combines with K-4276 Wellworth elongated toilet bowl to create K-3422 Wellworth elongated toilet with Left-hand trip lever Combines with K-4277 Wellworth round-front toilet bowl to create K-3423 Wellworth round-front toilet with Left-hand trip lever Combines with K-4273 Wellworth elongated toilet bowl to create K-3432 Wellworth elongated toilet with Left-hand trip lever