Used when the existing opening height is larger than the height of the replacement thermal oven.  Filler strips come in a variety of sizes, from 1 1/16" to 8 5/8" high.  Fillers come solid and are usually placed below the thermal oven.

Standard Filler  (from 1 1/16" to 2 3/16")

Extra Height Filler  (from 2 3/8" to 4 5/16")

Double Filler  (from 4 3/8" to 8 5/8")

To compliment your installation, kits are available in: