View: 100 200 All $77.00 4″ x 7″ CouplingsAdd to cart $258.00 4” X 7” Coaxial FlexAdd to cart $75.00 DURA-FLEXAdd to cart $104.00 DURA-HARDAdd to cart $69.00 Gas conversion kitSelect options $573.00 HORIZONTAL FLEX TERM KITAdd to cart $234.00 Termination KitAdd to cart $3,599.00 Sierra Flame Thompson 36 Gas FireplaceSelect options