Our Jefferson Multi-sided fireboxes accept any properly sized, certified vent-free burner and log set, such as the 18-inch, 24-inch, or 30-inch Slope Glaze Vista Burner, with – Shiloh Ceramic fiber log set or – Raleigh refractory log set. The Jefferson comes with conventional louvers or in – flush face model that can be completely bricked or tiled into place, yet still allow use of the circulation blower.