| SKU | Info/Size |
| MC08x08 | Door Size: 8"x8", Wall/Ceiling Opening: 8-3/8"x8-3/8" |
| MC10x10 | Door Size: 10"x10", Wall/Ceiling Opening: 10-3/8"x10-3/8" |
| MC12x12 | Door Size: 12"x12", Wall/Ceiling Opening: 12-3/8"x12-3/8" |
| MC14x14 | Door Size: 14"x14", Wall/Ceiling Opening: 14-3/8"x14-3/8" |
| MC18x18 | Door Size: 18"x18", Wall/Ceiling Opening: 18-3/8"x18-3/8" |