Material: This shower head shut off valve is made of 304 stainless steel, offering higher heat resistance, corrosion resistance, and pressure resistance. It is more durable and harder than standard brass or plastic valves. 1/2 inch standard connections with NPT female and male threads, 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 shut-off of water flow, even when hands are soapy or during hair washing. Water flow can be easily stopped or reduced to help conserve water. Maximum operating temperature: 325F. Widely used as a showerhead shut off valve, RV shower valve, or water-saving adjustable valve. Suitable for use in bathrooms, kitchens, homes, RVs, and motorhomes. 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.