Tretco OB4SS-BK1-18-NG 18 in. Stainless Steel Drop-In Rectangular Burner Kit Natural Gas Tretco was set out to bring out a wide range of fireplace supplies. Our collection includes Gas Logs, Valve key, Connection hose and Wine barrel fire pit. We offer the top notch products by combining both extraordinary design and functionality to make a brilliant choice for your outdoor. Our fire pits would make an ideal addition to any outdoor space and are sure to be cherished for years to come. Our drop-in burner kit is perfect for any fire pit or fire table application with a rectangular hole. Just cut the hole out a .25 in. larger than the stated size in your non-combustible material and the 1.25 in. flange will hold it in place. Fill with Glass or Lava Rock and you will have a dramatic addition to any patio fire table. The 304 Stainless Steel Construction provides a beautiful insert and trim for any installation. Our NG kit comes complete with hoses, keyed ball valve and connections. Specifications Collection: Tretco Assembly Required: False Construction Material: 304 Stainless Steel Flange: 1.25 in. Connection: Bottom Center 0.5 in. in NPT Hub Kit: Connection Hoses Keyed Valve Fuel: Natural Gas Dimension: 3 H x 6 W x 18 L in.