Bulkhead mounted heater, dutch door tile, air damper control, Ideal for power and sailing yachts of all sizes, Non-rust, stainless steel construction, safe, reliable, clean and silent running, Large glass viewing window creates a cozy fireplace, Standard flue size is 3"", Newport Solid Fuel uses charcoal briquettes, wood, etc, and has a heat output of from 3,000 to 8,000 BTUs, Dimension: 7, 75""W x 9""D x 14, 75""H, SKU: DKSM089