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KOHLER Wellworth Black 1.28-GPF (4.85-LPF) 12-in Rough-In Pressure Assist Single-Flush High-Efficiency Toilet Tank

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Class Five flushing technology provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness
Canister flush valve provides smooth flushing actuation with consistent water usage, flush after flush
1.28 GPF High-efficiency toilets provide significant water savings of up to 16,500 gallons per year versus an old 3.5 gallon toilet without sacrificing performance

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Class Five flushing technology provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness
Canister flush valve provides smooth flushing actuation with consistent water usage, flush after flush
1.28 GPF High-efficiency toilets provide significant water savings of up to 16,500 gallons per year versus an old 3.5 gallon toilet without sacrificing performance
Tank locks
Combines with K-4198 Wellworth elongated toilet bowl to create K-3575-T Wellworth elongated toilet with 12" rough-in
Combines with K-4197 Wellworth round-front toilet bowl to create K-3577-T Wellworth round-front toilet with 12" rough-in