DuraVent DuraPlus 7" x 11" Square Ceiling Support Box 18in Single door (European-style cast-iron) design

Single door (European-style cast-iron) design provides a tall opening for an unobstructed panoramic view of the fire

900 sq ft Emissions 1

Single Side and See-Thru Sets available

Black Finish - Marine Grade Aluminum Powder Coated with High-Temperature Black Paint

DuraVent DuraPlus 7" x 11" Square Ceiling Support Box 18in Single door (European-style cast-iron) designOverview DuraPlus is designed to stay cool on the outside, to provide a hot draft on the inside, to boost stove efficiency, and provide a fire safe design that protects both the chimney and the building. This triple wall chimney features two insulating layers (refractory blanket, plus air space). The refractory insulation is held securely in position, eliminating hot spots common with loose fill type insulations. In the event of a creosote fire, the