DuraVent DuraBlack – DuraBlack Increaser
Use to increase from a smaller appliance flue outlet to a larger diameter chimney or stovepipe.
Overview DuraBlack
For an economical, drip free, single-wall stovepipe, DuraBlack® is an excellent choice. Built to Duravent’s high standards, DuraBlack® is constructed with die-formed end fittings. Adjustable lengths eliminate the need for cutting and crimping














