9" x 28" Model fits flue tile with outside dimensions of 6-1/4" x 25" to 8-1/2" x 27-1/4"
Stock sizes with flat gable lid; 8" screen height with 3/4" mesh bird/animal guard. Attaches to top of flue tile liner with 4 pressure screws included. Sizes apply to the OUTSIDE dimensions of the Clay-tile liner. Lifetime Warranty
