

Napoleon's 6.5" black 4-sided backerplate for the Oakville 3, G3 and X3 gas inserts. It measures 42" wide by 31 1/8" high around a 28 3/4" by 19 1/16" opening, and frames all four sides. It pairs with Napoleon's Oakville faceplates made for a 4-sided backerplate. It hooks onto the insert, and the side cutouts take the insert's rocker switch. Napoleon notes backer plates must not seal the old fireplace airtight. $449.