American Gas Lamp Works Cosmopolitan 1600W 21" Weather Green Residential Wall Mount Aluminum Propane Gas Lamp With Dual Inverted Gas Mantle Light Assembly, Beveled Tempered Glass Panes and Spike Finial w4 Model 650807 Clearance Zero Zero clearance Size:4" to 7" Model 650807 Clearance Zero Zero clearance when installed into a masonry chimney and wrapped with a 1 2" ceramic fiber insulation blanket Item Number AFZRMPC Brand Name Fireside Furnishing Color Finish White Primed MDF Mantel Style Surround Style Modern Material Wood Opening Width 53" Outside Width 70" Opening Height 42" Outside Height 50 Incorporating Cosmopolitan lighting into your outdoor space not only enhances the ambiance but also reflects a taste for timeless beauty and sophistication Can open flame be used with liquid propane (LP) gas