Material: This shower head shut off valve is made of 304 stainless steel, offering high heat resistance, corrosion resistance, and pressure resistance. It is more durable and stronger 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 shut-off of water flow, even when hands are soapy or during hair washing. Water flow can be easily closed or reduced to help conserve water. Maximum operating temperature: 325F. Widely used as a shower 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 actual item. Measurement may vary by +/- 1-3 cm.