Jer-Air - Transitions
Square to Round & Round to Round Transitions
| Square to Round | Round to Round |
| 6" X 6" to 6" Round | 6" to 4" |
| 9" X 9" to 8" Round | 8" to 6" |
| 12" X 12" to 10" Round | 10" to 8" |
| 12" X 12" to 12" Round | 12" to 10" |
| 15" X 15" to 14" Round | 14" to 12" |
| 18" X 18" to 16" Round | |
| 22" X 10" to 6" Round | |
| 22" X 10" to 8" Round | |
| 22" X 10" to 10" Round | |
| 22" X 22" to 6" Round | |
| 22" X 22" to 8" Round | |
| 22" X 22" to 10" Round | |
| 22" X 22" to 12" Round | |
| 22" X 22" to 14" Round | |
| 22" X 22" to 16" Round | |
| 22" X 22" to 18" Round |
