Suitable for RO membranes up to 400GPD. Highly resistant diaphragm pump.The 400GPD pump is a high-performance water pump designed to deliver a flow rate of up to 400 gallons per day (GPD). This pump utilizes advanced technology to efficiently move water through various filtration systems, such as reverse osmosis units or water purification systems, ensuring reliable and consistent water flow. With its robust construction and powerful motor, the 400GPD pump is ideal for residential, commercial, or industrial applications where high-volume water transfer is required. Whether used for boosting water pressure, filling storage tanks, or supporting water treatment processes, this pump provides dependable performance and durability.