These plate protectors are suitable for Firex fires, they available to suit 16”, 18”, 21” and 24” fire openings.
The dimensions of the plate protectors are below:
16” Firex Fire: 13.5” wide with 10 holes
18” Firex Fire: 15.5” wide with 12 holes
21” Firex Fire: 18” wide with 14 holes
24” Firex Fire: 21” wide with 11 holes