Bio Vent Masonry Adapter, available in a variety of sizes. This dual function adapter will conveniently connect the Bio Vent pipe to an existing all fuel chimney or an existing masonry thimble and connect to stainless steel flexible liner in a chimney. The masonry adapter is made with AL-294C, super ferritic stainless steel that can withstand exhaust from bio-fuels.
Fits both 6" and 8" Class "A" pipe and masonary thimble.
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