Widely Use: The valve can be installed in most of the water purifiers, faucet, and other water device. Adjust Water Pressure: With this valve, it can largely increase the water pressure when water is low, and meanwhile keep the water steady when the high water pressure. Good Quality: The water regulator is made of high quality plastic material, solid and durable, have a long service time. RO Water System: prevent the harm of water hammer, increase the lifetime of the system and reduce the breakdown of leakage when water too fast. Protection: The filter protection design effectively keep the RO system operation in good condition.