The 3-stage 50GPD Dolphin RO system from AquaFX is the premier in top-of-the-line quality Reverse Osmosis water filtration technology. The choice of filter elements and overall system components has yielded an RO system with rejection rates that are truly unrivaled. Pair this system with a float valve and automatic shutoff kit (not included) for 100% automated operation. Features include: heavy duty aluminum mounting frame, fine 1 micron sediment filter, panel mounted AquaFX pressure gauge, carbon block for VOC reduction, Aqua Engineering & Equipment TFC RO membrane element, all quick connect fittings, and Hose bib supply type. The AquaFX 3-stage 50GPD Dolphin RO system is hand-built in the U.S.A. using only top quality pressure fittings.