The Monessen vent free fireboxes also come in exciting designer styles that offer dynamic design applications. Available in See-Thru, Peninsula and Corner models, these sophisticated fireboxes add style and warmth to your rooms while maintaining a contemporary feel.The industry's first lo-rider style vent free designer firebox Circulating firebox with clean face 36 Opening with extra large viewing area Low hearth profile Includes black hood Herringbone Refractory Firebrick CSA design certified Zero clearance design for ease of installation Gas knock out available on left and right side No expensive flue, or hearth required Outside air kit option Standard curtain mesh screens for true fireplace appeal Peninsula Vent Free Firebox Radiant face design with heat circulating air ducts for optional blower Installs with base almost flush with finished hearth area opening of fireplace for true masonry look Can be installed with non-combustible material up to the opening of fireplace for true masonry look Proudly made in USABrick Liner: Herringbone Cubes: 23.96 Framing Dimensions: 41-9 16W x 34-13 16H x 22-3 16D Fuel Type: Firebox Only, No Logs Gas Knockout: Yes Hearth Dimensions: 35-5 16W x 27-3 4H x 21-15 16D Height: 28-1 8 Maximum Log Size: 30 Screen: Curtain Venting Style: Vent-Free Weight: 164 Width: 36