Adjustable from 25,000 to 45,000 BTU's Comes as a propane (PTH2650SSN) or natural gas (PTH2650SS) model All 304 stainless steel construction High-output cast aluminum valve Equipped with direct electronic ignition and adjustable heat controls 25 foot diameter of radiant heat Durable high efficiency dual conical burner Hold down clamps for extra stability on natural gas models Wheels for propane model for easy mobility Optional patio heater cover also available