is the only way to describe these massive fireboxes. Designed for large outdoor applications, the VRE4500 Custom Series Vent-Free Gas Fireboxes feature a 30 tall opening, long lasting stainless steel construction and beautiful refractory panels for a realistic appearance. Note Firebox and Liner Only. Includes Fire Mesh Screen. Features Model # VRE4536WH. Gas Type Natural gas/Liquid Propane. Style Traditional. View Style Front View. Venting Type Vent-Free. Interior Refractory Interior. BTU Based on vent-free logs installed. Stainless steel construction for long lasting outdoor use. Fully insulated firebox for increased performance in colder climates. Dual left hand/right hand outside air kits available for maximum performance. Compatible Log Set is VTDGT Outdoor Gas Log Set by Superior Fireplaces. 20 year limited warranty. Specifications Overall Dimensions 45.12 W x 30.12 D x 54.12 H . Framing Dimensions 45.37 W x 28.25 D x 54.63 H .