Enhance A Fire 0.25" 5 Lb. Crushed Iceberg Chips Non Reflective Crushed Tempered Fire Glass for Gas Fireplace, Electric Fireplace and Outdoor Gas Firepit opti myst pro Model FLB24 VMV B N Venting Type Vented btu50000 Model FLB24 VMV B N Venting Type Vented Fuel Type Natural Gas Rear Firebox Width 24 3 4" Opening Height 16" Firebox Depth 12" Front Firebox Width 34 1 4" Min Item Number CV VTB Brand Name Enhance A Fire Product Type Panel Set Style Clinker Traditional Color Vintage Basket Weight 13 lb Material High purity Alumina Silica Fibers Binders Inorganic Density 16 21 lbs Item Number IC25 FG Brand Name Enhance A Fire Product Type Crushed Fireglass Color Crushed Iceberg Chips Weight 5 lb Material Tempered Crushed Glass Melting Point 1335F or 724C Application Gas Fireplaces & Stoves electric fireplaces