Complete Kit - The package contains all the accessories used to pressurize the reverse osmosis water purification system, including RO booster pump, high pressure switch, quick connect coupler, and 1/4 water pipe. Allow you to install it quickly after receiving the package Full Quick Connect Design - One-step installation, no wiring required. Plug and play Pressurization 30-40psi - Suitable for RO water purification systems with flow rates up to 200 GPD, it can boost your incoming water pressure from 40 psi to 80-100 psi Auto Start & Stop - The sensitive high pressure switch allows the RO booster pump to turn on and work when there is insufficient water pressure, and turn off when the water pressure reaches a preset value Advantages of RO Booster Pump - The use of RO booster pumps can effectively increase the water flow, accelerate the filtration efficiency and reduce the generation of waste water Hanchen Booster Pump Complete Kit for Home RO Reverse Osmosis Water Purification System, Quick-Connection Design, High Pressure Switch