Circulating louvered firebox includes black hood, concrete brick liner and floor, wire mesh fireplace screen, duplex outlet. Firebox will accept any 18 in and 24 in gas log. No.CUVF36C also accepts 30 in gas logs. Gas logs sold separately. All Comfort Glow fireboxes are approved as Universal Fireboxes and can be paired with any Comfort Glow vent-free gas log heaters. No.CGFB32C 32-3/16 in H x 35-1/16 in W x 19-1/4 in D. No.CUVF3C 40-1/4 in H x 42 in W x 24-15/16 in D.