Hydro Logic Stealth-RO Booster Pump (HL29020)The Stealth Pressure Booster Pump increases the flow and efficiency of the Stealth RO water filtration systems, boosting inlet pressure to 70 psi. The Stealth needs inlet pressure between 40 and 80 psi, so for gardeners with low water pressure or who simply want to maximize the efficiency of their system, this quiet running, high quality pump is a necessity. Connects inline before system. Boosts pressure to 65 psi for optimum flow rate. For low