Material: This shower head shut off valve is made of 304 stainless steel, offering higher performance with excellent heat resistance, corrosion resistance, and pressure resistance. It is more durable and harder than standard brass or plastic valves. 1/2 inch standard NPT female and male connections, compatible with most common showerhead connectors in North America. The long stainless steel handle rotates a quarter turn to easily control water flow. Function: This stainless steel on-off valve allows convenient control or complete shut-off of water flow, ideal for use when hands are soapy or during hair washing. It enables easy reduction or closure of water flow, helping conserve water. Maximum operating temperature: 325°F. Widely used as a shower shut off valve, RV shower valve, or adjustable water-saving valve, suitable for use in bathrooms, kitchens, RVs, motorhomes, and residential plumbing. Color: Silver Material: 304 Stainless Steel Package Contents: 2 x 1/2 inch NPT Female x 1/2 inch NPT Male Shut Off Valve OR 1 x 1/2 inch NPT Female x 1/2 inch NPT Male Shut Off Valve Note: Light shooting and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.