Fire Sense Patio Heater, Unpainted Stainless Steel Heat range up to 18 feet diameter; puts out 46,000 BTU's of steady warmth Pilotless single-stage ignition for easy starts every time, years to come Stainless steel burners and double-mantle heating grid for optimal durability Aluminum reflector hood directs and enhances heat output; wheels for perfect positioning Measures 18 by 33 by 89 inches; weighs 42 pounds for stability