Selkirk 3"/4"/5" Double Wall Increaser (Round - Type B Gas Vent) Size:3" to 4" Simply place this unit over

Simply place this unit over any Real Fyre fireplace crackler or remote receiver box for instant camouflage and fireside vibes

Burner Included BI737 BTUs (LP/NG) 80K Weight 220 lbs Fire Media 30 lbs Warranty

it is almost as efficient as a single wall black pipe

The Symmetry extra tall Bespoke fireplaces are perfect for any commercial or residential space

2 front legs and 2 back legs

Selkirk 3"/4"/5" Double Wall Increaser (Round - Type B Gas Vent) Size:3" to 4" Simply place this unit overSelkirk 3" 4" 5" Double Wall Increaser (Model RV Type B Gas Vent) Used to increase pipe diameter. (RV) Round Type B Gas Vent Model RV Double Wall Gas Vent is the installer's choice for residential, industrial and light commercial applications. The aluminum liner heats up quickly to promote strong draft. Galvanized outer provides protection against outdoor elements. Product line includes DWC Double Wall Connectors and EFC Expandable Flex Connectors.