Material: This shower head shut off valve made of 304 stainless steel with much higher performance (high heat-resistance, high corrosion resistance and pressure-resistance), more durable and harder than Brass and Plastic one. 1/2Inch standard connections, NPT female and male, compatible with the most common showerhead connectors in the North America.The long stainless steel handle rotates a quarter turn to easily control the amount of water. Function: The of this stainless steel on-off valve is to conveniently control or close the water flow, even if your hands are full of foam or you are washing your hair. The water flow can be easily closed or reduced, thereby saving water. The maximum operating temperature of this shower on off valve is 325 F. Widely Used: This stainless steel ball valve use as showerhead shut off valve, RV shower shut off valve or water saving adjustable valve, which also widely used , bathroom, kitchen, RV, , etc. color:Silver Material:304 stainless steel Package Contents: 1 x 1/2inch NPT Female X 1/2inch NPT Male Shut Off Valve Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.