About Master Flow™ Chimney Caps - Fixed Size

Master Flow™ Chimney Caps Easy-to-install galvanized with epoxy coating chimney caps help protect against weather infiltration, downdrafts, clogging, and animal infestation. Designed to fit virtually all standard-size chimneys. The single-piece, heavy-gauge hood helps reduce the risk of leaks and comes with a 4-year ltd. warranty1

1 See Master Flow® Ventilation Products Limited Warranty for complete coverage and restrictions.

  Fits Flue Tile Outer Dimensions Sizes, Nominal
CC99 7-1/2” x 7-1/2” – 9-1/2” x 9-1/2" 9" x 9" 
CC913 7-1/2” x 11-1/2” – 9-1/2” x 13-1/2” 9" x 13" 
CC1313 11-1/2” x 11-1/2” – 13-1/2” x 13-1/2” 13" x 13" 

Features & Benefits

1Always consult local fire codes for requirements. 2See Master Flow® Ventilation Products Limited Warranty for complete coverage and restrictions.

Product Documentation