Metal-Fab Type B-Vent 4" x 48" Double Wall B-Flex Flexible Pipe Length w20 Area to left & right

Area to left & right of lid: 3 1/4 inches

fireplace insert with added trim kit

Hinged at top

24" x 24" Crystal Fire Plus Burner (CFP2424)

Designed to be used with Real Fyre Gas Log Sets

Metal-Fab Type B-Vent 4" x 48" Double Wall B-Flex Flexible Pipe Length w20 Area to left & rightType B Gas Vent products are tested and listed to UL 441 for approved gas appliances and feature our innovative twist lock connection and locking tab, eliminating the need for sheet metal screws. Metal Fab Type B Gas Vent combines hemmed flues and casings that maximize product durability and reliability and minimize installation time. Designed for versatility, Metal Fab Type B Gas Vent products 3" 6" adapt to major competing brands and when installed