A vented/Vent-Free gas log set makes a great alternative to the hassle of building a log fire in your wood-burning fireplace. Just like a wood fire, a vented gas log set provides plenty of mesmerizing flames and flickering light. Vented/Vent-Free log sets are considered decorative systems and must be installed in a vented fireplace. Includes Four Piece Log Set. Features Model # LS24B2. Gas Type Natural Gas/Liquid Propane. Four piece log set. Log sets are hand painted. Approved for use in any certified vent-free firebox. LOGs ONLY Birch Log Set. For use with slope glaze burner system. Specifications Overall Dimensions 24 L . Required Must Choose Burner to Complete Log Set. Compatible Burners Vent-Free IP 24 inch Slope Glaze Burner VFSE24N VFSE24P . Vent-Free Manual 24 inch Slope Glaze Burner VFSM24LP VFSM24NAT . Vent-Free MV 24 inch Slope Glaze Burner with Remote Ready and Standing Pilot/Piezo VFSR24LP VFSR24NAT . Vent-Free 24 inch Slope Glaze Burner with Remote and Variable Flame VFSV24LP VFSV24NAT . Vent-Free MV 24 inch Slope Glaze Multi-Sided Burner with Remote Ready and Standing Pilot/Piezo VFSUR24N VFSUR24P . Vent-Free IP 24 inch Slope Glaze Multi-Sided Burner with Thermostat Variable Remote Control VFSUE24N VFSUE24P . Vented Manual 24 inch Slope Glaze Burner VSM24LP VSM24NAT . Vented MV 24 inch Slope Glaze Burner with Remote Ready VSR24LP VSR24NAT . Burner is shown in image, however not included in this product.