PKX MA/A Version 0702: Polypropylene Pump Head PTFE (Teflon®) Diaphragm FPM (Viton®) Seals Duck Bill FPM (Viton®) Valves Flow Rate - 1.85 GPH (7 LPH) at 29 PSI (2 BAR) or 2.64 GPH (10 LPH) at 14 PSI (1 BAR) 120 Strokes per Minute