By increasing the effective height of the flue, the Flue Stretcher solves two problems:
Base Size 8' x 8"; Height-22" Adds 1' height to chimney. Fits outside Tile Dimensions of 6 1/2" x 6 1/2" to 8 3/4" x 8 3/4".
Base Size-8" x 8"; Height-22"; Adds 2' to Flue Height; Fits outside tile dimension-6 1/2" x 6 1/2" to 8 3/4" x 8 3/4"
Base size: 8" x 13"; Height-22"; Adds 1' to flue height; Fits outside tile dimensions of 6 1/2" x 11 1/2" to 8 3/4" x 14"
Base Size-8" x 13"; Height 34"; Raises Flue height by 2': Fits outside tile dimensions-6 1/2" x 11" to 8 3/4" x 14"
Base Size: 13" x 13"; Height-22"; Adds 1' to Flue height; 11 1/2" x 11 1/2" to 13 3/4" to 14"
Base Size: 13" x 13"; Height-34"; Adds 2' to Flue height; 11 1/2" x 11 1/2" to 13 3/4" to 14"