Napoleon Riser Box (3" H x 48" W) For Direct Vent Gas Inserts

The Napoleon Riser Box (3" H x 48" W) For Direct Vent Gas Inserts designed to provide a safe and secure solution for installing a gas insert in a masonry fireplace. The box is made from heavy-duty galvanized steel and is designed to provide an airtight seal around the gas insert, preventing the escape of fumes.

The box also provides a space for the gas insert to extend into the masonry firebox, allowing for a better flow of heat. The box is easy to install and is a great way to add a gas insert to an existing masonry fireplace.

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