The Grand Canyon 2 Burner is ANSI Z21.60-2012/CSA2.26-2012 certified with a safety pilot system as well as CGA 2.17-M91 R2009 certified for High Altitudes. Our US and Canada certifications allow for the burners to be safely installed and burned in both countries. These certified burners are tested to withstand the heat and are built to produce heat. The design of the burner has one main burner in the back and a second burner in the front that also acts as an ember burner. With many different log sets to choose from, Grand Canyon Gas Logs has developed a propriety design that allows for you to raise and lower the back tines depending on the size of your firebox and log style that you choose. Grand Canyon Gas Logs offers a complete array of valve system accessory that are able to fit the burn. Note Image shown in black color, however actual color/material of the product is stainless steel. Includes Lava rock, fittings, flex line and embers damper clamp. Features BTU 118K. Indoor/Outdoor Use. Fuel Type Natural Gas. 2 See-Through Burner. 100% Stainless Steel construction. Use with logs AWO AJ. Fits 42 Prefab Fireplace. Specifications Grate Tyne 0.5. Burner Dimensions 24 W x 16 D . Grate Dimensions 24 FW x 24 BW x 6 H . Minimum Floor Dimensions If installing Masonry 36 FW x 36 BW .