Superior 45" Blended Brown Stacked Ceramic Liner Kit for DRT2045, DRT3045 and DRT3545 Gas FireplacesWhat's Included 3 Piece Firebox Liner Kits Features Made of durable ceramic Lines the interior of your unit Adds a stacked brick appearance to your fireplace Other finishes available Specifications Model Number FLK45BB Catalog Number F3813 Finish Blended Brown Stacked Ceramic Size 45" Compatible Fireplace DRT2045 DRT3045 DRT3545 Other Finishes Available Blackstone Stacked Ceramic Greystone Stacked Ceramic Black Reflective Porcelain