WILDCAT FLUE SYSTEMS FLEXIS Bends Ceiling Rings Cowl Bases Cowls Flexis Freestandings Gas Ranges Joiners Offsets Reducers Wood Ranges 4″ Gas Flexi Cowl & Base Set 4″ Gas Flexi Cowl Base 6″ Flexi Joiner 5″ Flexi Joiner 4″ Flexi Joiner Bends Ceiling Rings Cowl Bases Cowls Flexis Freestandings Gas Ranges Joiners Offsets Reducers Wood Ranges