Oval or Rectangle Vacu Stack Please select your size:8 x 12 - Fits flue sizes between 6 x 10 to 10 to 14 *Measures 23" High x 22"

*Measures 23" High x 22" Wide x 13" Deep

CrackMagik is the ideal quick fix when it comes to exterior cracks up to 1/8" in mortar joints on chimneys

Waterproofing vulnerable joints and connections

*24 Guage Removeable Lid and 18 Guage Screen

Constructed from flexible poly-fiber

Oval or Rectangle Vacu Stack Please select your size:8 x 12 - Fits flue sizes between 6 x 10 to 10 to 14 *Measures 23" High x 22"* The Vacustack chimney cap by ICP is the solution for downdraft problems related to the wind. *These caps include both the vacustack cap and the easy to install adaptor.*Comes in two different sizes to fit a wide range of flue sizes.*100% stainless steel Lifetime Warranty.*Free fast shipping and guaranteed price.