KWC DVS Aquari Save Water Control ValveAquari Save Water Control Valve The KWC DVS Aquari Save Water Control Valve enables programmable water release, aiding in water conservation with customizable flush settings. The aquari save valve assembly unit by KWC DVS include adjustable flush schedules, run times, and direct valve mounting, all housed in durable black ABS material. 15 min increments for first and last flush Mon Sun adjustable flush schedules 2 60 seconds run time options The