Universal Chimney Cap for the Other 5% or 10% - Stainless Steel - 3/4" Mesh Multi Flue This is the perfect cement

This is the perfect cement for installing ash dump doors in the fireplace

The other 4 are standard replacement pipes

Add one ounce for each 15 lbs

and installs the same way

cannot be over-used

Universal Chimney Cap for the Other 5% or 10% - Stainless Steel - 3/4" Mesh Multi Flue This is the perfect cementUniversal Chimney Cap for the Other 5% or 10% Stainless Steel (Lifetime Guarantee) 3 4" Mesh The standard Universal will fit 90% to 95% of the flues in your area. For the other 5% or 10% of the chimneys we have other Universal type Chimney caps. In 18"x18" and 22"x22" Because a Universal chimney cap gives you 7 full inches of adjustment, the 18x18 covers down to 11x11 and the 22x22 covers down to 15x15.