This is the same gas burner we use for our commercial quality 100 lb Capacity Gas Smokehouses with great success for over 30 years. The inside dimensions of that smoker are 30 3/4"W x 26D x 68"H totaling 31.5 cubic feet. We recommend using it for this size only, we are not responsible for their usage on smaller or larger dimensions.
31,300 BTU Titanium Gas Burner for 100 lb. Smoker
Dimensions:
Total Length: 16 1/4"
Burner Length: 10 3/8"
Burner Diameter: 2"