The Cast Iron Design boasts a 2.5 cu. ft. firebox, accommodates 20" logs, and delivers up to 74,000 BTUs with an 84.7% efficiency rate. It meets EPA standards with emissions of 4.5gms and features a simple draft control, twin pilot-injector ports for easy ignition, and a robust air wash system to keep the glass clean. It offers extended burn times of 8 to 12 hours, equipped with 304-grade stainless steel secondary air tubes. The firebox is brick-lined with a 6" flue, and it's a heavy-duty unit, weighing up to 390 lbs. It features a 1/2" door handle and a cast iron adjustable door latch, as well as leveling legs. Additionally, it includes a standard 135 cfm variable speed fan with an override switch and an EasyFit flue system, all topped off with a wooden door handle.