Selkirk 6" Insulated Wall Thimble Black Stove Length

The 6" insulated wall thimble is used for installation to a masonry chimney through a combustible wall. It is also used to connect a single or double wall stove length to an existing masonry chimney or a relined masonry chimney with a stainless steel liner. Product features an attractive outer black enamel finish. The outer wall is constructed from aluminized steel while the inner liner is composed of stainless steel. The combination of these metals provides a durability that last significantly longer than single wall stove length.