Salt-Away 6 oz Mixing UnitThe Salt-Away 6 oz mixing unit is known as the most popular way to dispense the Salt-Away concentrated formula. Constructed with a 3-position valve and warranted to withstand water pressure up to 60 psi, this mixing unit is ideal for any buyer. For easy connection to hose fittings, the out-flow end is constructed with male threads while the in-flow end is constructed with female threads. The O-ring inside the receptacle will also prevent leakage. Features: Holds 6 fl oz (177 ml); Constructed With A 3-Position Valve (Off, Rinse, Salt-Away); Warranted To Withstand Water Pressure Up To 60 psi; O-ring In Receptacle Prevents Leakage; Out-Flow End Is Constructed With Male Threads and Female Threads For The In-Flow Handle End;