The BUILDER SERIES Cottage B-vent fireplace is an economical system with all the latest technology, and a direct look-alike to it’s direct vent twin. Standard features include rolled louvers, tough texture powder coating, fixed woodburning style door, decorative pull screens and convenient, dual access pre-wired electrical “J” box. Our 36” Cottage B-vent features beautiful new combination split oak ceramic fiber gas logs with multi-tiered flame patterns and glowing ember bed for an outstanding flame presentation. BTU range is 15,000 to 20,000 for both fuel types, and all units use 4” B-type venting.