Toto Manual Flush Valve: Toto, 1.6 gpf Gallons per Flush, 11 1/2 in Rough-In, 1 in Spud Coupling, Piston
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Manual toilet flush valves are sized to fit tankless toilets. These hand-activated valves have a spud coupling for attaching to a toilet spud. They typically require a high-pressure water supply to operate.