1、TECHNICAL PARAMETERS: Diaphragm water pump maximum shut off pressure is 45PSI, maximum open waterflow is 11LPM/2.9GPH, maximum head for 30meter 2、LOW NOISE: Positive displacement diaphragm pump, capable of being run dry. The working noise of the pump is about 55‑60 decibels, and the fixed installation noise is lower 3、EXCELLENT QUALITY: Diaphragm pump adopt 100 percent full copper wire quality motor, possess long service life, no leakage, quiet operating. Changeable pressure switch, spare parts supported 4、WIDE APPLICATION: Diaphragm water pump can be used for marine yachts, RVs, automobiles, household, universal industry, agricultural misting, catering services, distillation equipment, boats, and vans, office building, etc. 5、WIDE APPLICATION: Micro diaphragm pump can be used for RV water supply, marine and yacht water supply, faucet pressurization, automatic filling equipment, liquid self service vending machines, equipment water circulation cooling Item Type: Diaphragm Water Pump Maximum Waterflow: 2.9GPM, 11LPM Pressure: 45PSI/3.3BAR Power: 132W Outlet Size: 1/2in(12.7mm) MNPT Maximum Head: Approx. 30m / 98.4ft 1 x Pump 3 x Adapters