Double-Wall Increaser
Item#: 2590050

Use to increase from a smaller appliance flue outlet to larger diameter chimney or stovepipe.

DuraBlack is to be used with single-wall interior stovepipe for connecting wood stoves to manufactured chimney. It is an excellent choice for an economical, drip fee, single-wall stovepipe and with its adjustable lengths it eliminates the need for cutting and crimping.


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