Mason-Lite 33" Pre-Cast Masonry Firebox Kit

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The perfect fireplace for space restricted projects.

The Mason-Lite 33" Pre-Cast Masonry Firebox Kit (MFP33) has a finished opening of 33" W x 24" H. This standalone unit can be built indoors or outdoors and setup to burn either wood or gas. The MFP33-P is a package that includes the standard MFP33, 2 feet of Mason-Lite masonry chimney and a bag of mortar. Being made from the same light-weight material as the other Mason-Lite wood burning fireplaces allows this unit to be installed on decks and other wood framing. Available accessories include full running bond and split herringbone brick liners in standard sizes.


  • Allowed for multi-story combustible floor installations.
  • Superior thermal efficiencies with the highest resistance strength at 28 days.
  • Complies with UL 127 & UL 103 chimney component standards.
  • Limited Lifetime warranty.
  • Heat resistant fire tested up to 1700 Degrees Fahrenheit.
  • Less expensive shipping and handling costs.
  • 50% cheaper than traditional hand-built masonry fireplace.
  • Energy efficient with a wider heat radiant.
  • Made in the U.S.A.

More Information

More Information
SKU 11012002
Manufacturer's Part Number (MPN) MFP33
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