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The Matrix wood insert will seduce you with an average particle emission rate as 2.3 g/h and an optimal efficiency of 79%. The latest modifications made to this box are well in tune with the industry standards required for 2020. Although it retains a unique style that is both massive and sleek, we have reviewed the door mechanism to make it more functional. Adding a set of intermediate trim panels may be required to complete your masonry hearth. Always the same legendary Osburn quality.
| Maximum BTUs/hr | 75,000 |
| Heats Up To | 500 – 2,100 sq ft |
| Efficiency | 79% |
| Product Size | Medium |
| Log Size | 20″ |
| Burn Time | up to 8 hrs |
| Firebox Capacity | 2.4 cu. ft. |
| Emissions (gms/hr) | 2.3 |
| Room Size | Large |
| Vent Type | Stainless |
| Vent Size (Exhaust) | 6″ |
| Masonary Fireplaces Only | Yes |
| Width | 28 3/8″ |
| Height | 25 1/8″ |
| Depth | 23 1/8″ |
| Insert At Flush Depth | 16″ Of Ember Protection If Hearth Is Raised More Than 5″ |
| Insert At Extended Depth (2″ or 4″) | 18″ or 20″ Of Ember Protection If Hearth Is Raised More Than 5″ |
| Insert At Flush Depth | 23″ Of Thermal Protection If Hearth Is Raised 5″ Or Less |
| Insert At Extended Depth (2″ or 4″) | 25″ or 27″ Of Thermal Protection If Hearth Is Raised 5″ Or Less |
| Cast Iron Faceplate 36 1/8″ Width X 25 1/8″ Height | |
| Regular Backing Plate 44″ Width X 29″ Height | |
| Oversized Backing Plate 50″ Width x 32″ Height |
| Clearance Required 46 1/2″ Hearth To Mantle |
| Width | 28 7/8″ |
| Height | 23 3/8″ |
| Depth | 19 5/8″ |
