Our 3/4 inch straight gas key valve kit is perfect for your gas fire pit or fireplace project. The valve is made of durable brass, it can last whether installed indoors or outdoors. For use with up to 300,000 BTU of natural gas or propane. The included key promotes safety since without the key the valve cant be operated. The valve utilizes standard 3/4 inch female national pipe thread on both its inlet and outlet so you can integrate it with your existing gas piping. Brass Ball Valve + 3 inch Key and Flat Black Floor Plate Flange. Max 300,000 BTU 3/4 inch inlet and outlet with standard female NPT threads. For use with natural gas and liquid propane