DuraVent 6DP-24 DuraPlus Triple-Wall Chimney Pipe; For Wood Stoves, Fireplaces, Furnaces, Boilers, Stoves, Ranges, Water Heaters and Appliances Fueled by Wood, Oil, Coal or Gas, 6" Diameter x 24" This 6''D x 24''L Dura plus chimney pipe is specially designed for appliances tested and listed for use with wood stoves, fireplaces, furnaces, boilers, stoves, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas. Features Includes a 1'' insulation blanket Can be used for many parts of your home Great to have for your home USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.