DuraVent DuraBlack 6" Slip Connector With Trim d43.5 They do a wonderful job

They do a wonderful job of completely covering the floor of a fire feature

Designed for Osburn Matrix wood inserts

Available in 3 diameter sizes

Size: 62 Inches x 17 Inches

12 lb needed for CF-20

DuraVent DuraBlack 6" Slip Connector With Trim d43.5 They do a wonderful jobOverview For an economical, drip free, single wall stovepipe, DuraBlack is an excellent choice. Built to DuraVents high standards, DuraBlack is constructed with die formed end fittings. Adjustable lengths eliminate the need for cutting and crimping. Available in 24 gauge painted steel, or 22 gauge stainless steel. Single Wall Stovepipe Systems DuraBlack single wall stovepipe completes the venting system when used with one of DuraVents chimney