Backplate or Canopy Dimensions (in)

10 diameter
10x10
12x12
18x5
30x9
36 diameter
36x1.5
36x36
36x6
4.5x4.5
4.5x8
4.75 diameter
4.75x4.75
46x6
5 diameter
5x5
5x8
5x9
6 diameter
6x6
7x7
8x4.75
8x8