Our H Torpedo Burners C reate a High Flame Bonfire Effect PRODUCT FEATURES: 304 stainless steel H-burner for lasting durability Torpedo nozzle ports create bold, bonfire-like flames Heat outputs by size (dependent on gas input): 18″ x 6″ Model: Up to 125,000 BTUs 24″ x 6″ Model: Up to 150,000 BTUs 30″ x 8″ Model: Up to 175,000 BTUs 36″ x 8″ Model: Up to 200,000 BTUs 48″ x 10″ Model: Up to 250,000 BTUs 60″ x 10″, 72″ x 10″, and 84″ x 10″ Models: Up to 300,000 BTUs Raised hub design prevents water entry into gas line 3/4″ Hub Compatible with natural gas or propane (Propane Models will need to installed in a fire pit using propane fire pit build principles) Outdoor use only Backed by HPC’s Limited Lifetime Warranty Our SST Torpedo burner outperforms other products in the big flame niche market when it comes to key features: flame, warranty, brass, and construction.  The goal is to give customers yet another option that is inspired by safety and innovation for their lifestyle. 3/4″ Hub