Butterfly Cap-Damper Lids As the chemicals penetrate the

As the chemicals penetrate the sticky

They get a quality chimney cap with huge screen area (3/4" mesh) for its size and you only have to carry one cap

One bucket is sufficient to complete an average sized smoke chamber with larger chambers requiring two or more

steel to steel

Butterfly Cap-Damper Lids As the chemicals penetrate theButterfly Cap Damper LIFETIME GUARANTEE! Just like the Butterfly damper, the Butterfly Cap Damper gives you access to the chimney with the removal of a couple of wingnuts (below). Because of its design, the Butterfly Cap Damper installs on either a chimney with a flue tile (liner) sticking up or one that does not have a tile above the crown. Just glue it on with the silicone that comes with it! Constructed of 304 stainless steel, spring loaded, it's