Vermont Castings stoves use a rope-type gasket to make a seal between some parts. With use, this gasket can become compressed and begin to lose its effectiveness. It should then be replaced. Kit fits Encore stoves. DOES NOT FIT ENCORE 2N1 FLEXBURN Includes: -17 feet of 5/16" Black Graphite Fiberglass Gasket (Doors, Damper, Flue Collar, Cat Access) -6 feet of 5/16" Steel Wire Reinforced Gasket (Griddle Gasket) -3.5 feet of 3/8" Black Graphite Fiberglass Gasket (Ash Pan Gasket) -6 feet of 3/16" Black Graphite Fiberglass Gasket (Door Glass Gasket) -1 tube of gasket cement Fits the following Vermont Castings wood and coal stove models: -Defiant Encore 2190 -Defiant Encore 0028 & 2140 -Encore Non Cat 1450 -Encore 2550