The Universal Vent-Free Firebox features white sturdy refractory panels in either a stacked or herringbone design. The Universal from Superior gives you a 30″ tall opening with firebrick extending to the front edge to give it an authentic masonry look. This Firebox comes in three sizes; 36″, 42″, and 50″.
- 99.9% heating efficiency when paired with a vent-free gas log set
- Fully insulated firebox for increased performance in colder climates
- Refractory panels available in two patterns
- Includes mesh fire screens
- Durable textured powder coat finish
- 20 year limited warranty from manufacturer
Click Here For Owner’s Manual: http://superiorfireplaces.us.com/system/document_files/files/000/000/090/original/126700-01_B_SUP_VRT4500_VF_Universal_Firebox_IICO.pdf?1484690561