DuraVent DuraPlus 6 in. D Aluminum/Galvanized Steel Wall Thimble

DuraPlus is designed to stay cool on the outside, to provide a hot draft on the inside, to boost stove efficiency and to provide for a fire-safe design that protects both the chimney and the building. For thicker walls the telescope pieces can extend to 16 inch with field fabricated extension Passes DuraPlus chimney pipe through a wall Must be installed with DuraPlus chimney pipe horizontally thru wall and extended 2 inch into room beyond interior wall Fits between standard wall studs