Why use a Vermiculite set?. Clay style bricks leak a lot of heat through them with exits out the side of the stove. Vermiculite is very lightweight so its a lot easier to install.
Franco Belge Montfort Classic Baffle Plate / Throat Plate Part 222568
FRANCO BELGE MONTFORT CLASSIC (MK1) BAFFLE/THROAT PLATE - 222568
FRANCO BELGE MONTFORT ELEGANCE (MK2) BAFFLE/THROAT PLATE - 910001
FRANCO BELGE MONTFORT ELEGANCE (MK2) FIRE GRATE - 309236
FRANCO BELGE MONTFORT ELEGANCE (MK2) BACK/REAR FIRE BRICK - 105641
FRANCO BELGE MONTFORT ELEGANCE (MK2) FIRE BRICK & BAFFLE SET