Pay in 4 interest-free payments of $44.52 Learn more
Ships within 48 hours · Estimated delivery Sep 23 - Sep 28
Size 13x20
Easy to install
We just tack weld them on so they don't flop all over the place
steel to steel
Butterfly Cap-Damper Lids Size 13x20Butterfly 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
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