Easy Water Flow Adjustment: Hibbent shower head flow restrictor allows for regulating water volume or completely shutting off water flow while showering. Fully Brass Body Construction: Shower head flow shut off valve is made of brass with a handle made of metal, not plastic, ensuring quality and longevity. Features high heat-resistance, high pressure-resistance and durability than plastic ones. It can serve many years without leakage. Application: Shut-off valve can be used as shut-off valve, water saver valve or pressure reducing valve, installed between the shower arm and the shower hose. Economical fix for bidet sprayer, shower head and garden hose upgrades, etc. Universal Connection: G1/2 IPS female inlet and 1 X G 1/2 IPS male outlet, standard straight thread connections fit most shower heads, shower arms, hoses and water pipes. Easy Installation: Moving part slides with very little effort so lever handle can be manipulated easily and smoothly even with wet, soapy or slippery hands.