Overview
Masonry fireplaces add value and elegance to your home and outdoor living space. Using a Mason-Lite Vent-Free fireplace also provides warmth and beauty to any room in your home without taking up valuable real estate for a chase and chimney.
See-through Vent-free fireplaces have become very popular for both indoor and outdoor applications due to the ease of installation as well the radiant heat they provide. Requiring zero clearance to combustibles, with a standard size of 43" this is approved with any ANSI Z21.11.2 approved gas log set and vent-free burners*; you can choose Mason-Lite’s optional Virginiana Log system.
**This firebox is for gas burning only!**
Features:
- See-through application allows you to view the fireplace from multiple angles
- Lightweight construction
- Clean and environmentally friendly
- Limited lifetime warranty
- 40,000 max BTUs
- 100% manufactured and sourced in the USA
Specifications:
Model | MFPST43VF |
Maximum BTUs for Indoor Application | 40,000 |
Maximum BTUs for Outdoor Application | 50,000 |
Framing Dimension | 53" (W) x 48" (H) x 28" (D) |
Total Unit Height | 46.75" |
Floor Area | (53" x 28")10.31 sq. ft. |
Fireplace Weight | 1306 lbs. |

Product Resources
Masonry fireplaces add value and elegance to your home and outdoor living space. Using a Mason-Lite Vent-Free fireplace also provides warmth and beauty to any room in your home without taking up valuable real estate for a chase and chimney.
See-through Vent-free fireplaces have become very popular for both indoor and outdoor applications due to the ease of installation as well the radiant heat they provide. Requiring zero clearance to combustibles, with a standard size of 43" this is approved with any ANSI Z21.11.2 approved gas log set and vent-free burners*; you can choose Mason-Lite’s optional Virginiana Log system.
**This firebox is for gas burning only!**
Features:
- See-through application allows you to view the fireplace from multiple angles
- Lightweight construction
- Clean and environmentally friendly
- Limited lifetime warranty
- 40,000 max BTUs
- 100% manufactured and sourced in the USA
Specifications:
Model | MFPST43VF |
Maximum BTUs for Indoor Application | 40,000 |
Maximum BTUs for Outdoor Application | 50,000 |
Framing Dimension | 53" (W) x 48" (H) x 28" (D) |
Total Unit Height | 46.75" |
Floor Area | (53" x 28")10.31 sq. ft. |
Fireplace Weight | 1306 lbs. |

Education
Masonry fireplaces add value and elegance to your home and outdoor living space. Using a Mason-Lite Vent-Free fireplace also provides warmth and beauty to any room in your home without taking up valuable real estate for a chase and chimney.
See-through Vent-free fireplaces have become very popular for both indoor and outdoor applications due to the ease of installation as well the radiant heat they provide. Requiring zero clearance to combustibles, with a standard size of 43" this is approved with any ANSI Z21.11.2 approved gas log set and vent-free burners*; you can choose Mason-Lite’s optional Virginiana Log system.
**This firebox is for gas burning only!**
Features:
- See-through application allows you to view the fireplace from multiple angles
- Lightweight construction
- Clean and environmentally friendly
- Limited lifetime warranty
- 40,000 max BTUs
- 100% manufactured and sourced in the USA
Specifications:
Model | MFPST43VF |
Maximum BTUs for Indoor Application | 40,000 |
Maximum BTUs for Outdoor Application | 50,000 |
Framing Dimension | 53" (W) x 48" (H) x 28" (D) |
Total Unit Height | 46.75" |
Floor Area | (53" x 28")10.31 sq. ft. |
Fireplace Weight | 1306 lbs. |
