Kohler K-4620-0 Wellworth Toilet Tank, White Wellworth toilets have been an American benchmark for innovation and performance for over 65 years Combines with K-4274 Wellworth elongated toilet bowl to create K-3427 Wellworth Highline(TM) elongated toilet Combines with K-4276 Wellworth elongated toilet bowl to create K-3422 Wellworth elongated toilet Combines with K-4277 Wellworth round-front toilet bowl to create K-3423 Wellworth round-front toilet Combines with K-4273 Wellworth elongated toilet bowl to create K-3432 Wellworth elongated toilet