The Buck Stove Oversized Trim Kit for Model 91 enables the Model 91 to be fitted into an existing fireplace as an insert. Crafted to cover the gap between the insert and the fireplace border, this trim kit ensures a seamless and polished look. The assembly of the piece is effortless, making it a convenient addition to your fireplace setup. Designed to fit larger openings, the Model 91 Oversized Trim Kit is both functional and aesthetically pleasing.