Note :only upgrade version can adjust water flowProduct Description High Pressure DesignShower head makes water flow generates a pressurized flow through the rotating wheel, increasing the speed of the water flow, thereby increasing the water pressure.Apply to low water pressure. Water SavingShower head uses micro nozzle technology makes the outlet holes smaller and denser, increasing the speed of the water flow, At the same time Up to 40% water saving than ordinary shower head. ON/OFF SwitchShower head have a ON/OFF Switch. Just press the switch on the nozzle handle to stop the water flow at any time. Easy to UsesHandheld shower head adopts G1/2 international standard interface, suitable for most hoses and brackets or shower attachment arms, It can be installed by itself without the use of plumbers and tools. Do you want a good water pressure in shower? This is a pressurized shower head, which can help users with low water pressure, such as RV, high-rise apartments, old build and Boat, have a good shower experience. Unique water column design. Package Includes: 1x Pressurized Shower Head with PP head filter