Superior 40" Blended Brown Stacked Ceramic Liner Kit for DRT2040, DRT3040 and DRT3540 Gas Fireplaces h41.63 The tee branch accepts either

The tee branch accepts either double- or single-wall pipe

For Use With - Designed for use with Napoleon Elevation X series fireplace

Use when installing a direct vent co-linear insert into a masonry chimney

Extra Large FireStones Pack STA4

Superior 40" Blended Brown Stacked Ceramic Liner Kit for DRT2040, DRT3040 and DRT3540 Gas Fireplaces h41.63 The tee branch accepts eitherWhat'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 FLK40BB Catalog Number F3812 Finish Blended Brown Stacked Ceramic Size 40" Compatible Fireplace DRT2040 DRT3040 DRT3540 Other Finishes Available Blackstone Stacked Ceramic Greystone Stacked Ceramic Black Reflective Porcelain