$148.14
A movable fitting is situated at the bottom of the ceiling to protect the chimney and the building. This may be adjusted to fit the underside of the ceiling. This will increase the efficiency of stoves in chimney fires while also creating warm air circulation outdoors. Features: Triple-wall chimney Clean, smooth exterior finish 2" clearance to combustibles Use when air-cooled chimney is required Not required when passing through the roof Outer diameter is 4" larger than inner diameter Use in-ceiling/floor penetrations when a ceiling support is not used Free-floating inner 430-alloy liner maintains structural integrity in chimney fires Fits on the underside of the ceiling and adjusts to cover framing. (See installation instructions for proper placement.) For uses with wood stoves, fireplaces, furnaces, boilers, stoves, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas Specifications: Size: 6" Inner Diameter Outer: 10-7/8" diameter Length: 16-1/2" Height: 16-Inch Width: 16-Inch Dimensions: 16-1/2" x 16-1/2" Inner Pipe Gauge: 27 Outer Pipe Gauge: 28 Pipe Class: Class A Vent Construction: Triple Wall Weight: 7.1 lbs. Material: Galvanized Use: Ducting and Venting Style: Triple Wall Fuel Type: Coal, Gas, Oil, Wood UL Listing Number: UL 103 HT Product Type: Radiation Shield Downloads: DuraPlus Installation DuraPlus Product Catalog-Section Duraplus Woodburning Best Practices DuraPlus Product Brochure .