| 8" | 6" | 26 ga | $30.52 | Order 8" x 6" Return Air Boot |
| 8" | 8" | 24 ga | $36.11 | Order 8" x 8" Return Air Boot |
| 10" | 6" | 24 ga | $36.43 | Order 10" x 6" Return Air Boot |
| 10" | 8" | 24 ga | $37.56 | Order 10" x 8" Return Air Boot |
| 10" | 10" | 24 ga | $38.68 | Order 10" x 10" Return Air Boot |
| 12" | 6" | 24 ga | $37.78 | Order 12" x 6" Return Air Boot |
| 12" | 8" | 24 ga | $39.00 | Order 12" x 8" Return Air Boot |
| 12" | 10" | 24 ga | $40.22 | Order 12" x 10" Return Air Boot |
| 12" | 12" | 24 ga | $41.44 | Order 12" x 12" Return Air Boot |
| 14" | 6" | 24 ga | $39.14 | Order 14" x 6" Return Air Boot |
| 14" | 8" | 24 ga | $40.44 | Order 14" x 8" Return Air Boot |
| 14" | 10" | 24 ga | $41.75 | Order 14" x 10" Return Air Boot |
| 14" | 12" | 24 ga | $43.06 | Order 14" x 12" Return Air Boot |
| 16" | 6" | 24 ga | $40.49 | Order 16" x 6" Return Air Boot |
| 16" | 8" | 24 ga | $41.89 | Order 16" x 8" Return Air Boot |
| 16" | 10" | 24 ga | $43.29 | Order 16" x 10" Return Air Boot |
| 16" | 12" | 22 ga | $51.19 | Order 16" x 12" Return Air Boot |
| 18" | 6" | 24 ga | $41.84 | Order 18" x 6" Return Air Boot |
| 18" | 8" | 24 ga | $43.33 | Order 18" x 8" Return Air Boot |
| 18" | 10" | 22 ga | $51.32 | Order 18" x 10" Return Air Boot |
| 18" | 12" | 22 ga | $52.81 | Order 18" x 12" Return Air Boot |
| 20" | 6" | 24 ga | $43.20 | Order 20" x 6" Return Air Boot |
| 20" | 8" | 22 ga | $51.28 | Order 20" x 8" Return Air Boot |
| 20" | 10" | 22 ga | $52.86 | Order 20" x 10" Return Air Boot |
| 20" | 12" | 22 ga | $54.44 | Order 20" x 12" Return Air Boot |
| 24" | 6" | 22 ga | $52.41 | Order 24" x 6" Return Air Boot |
| 24" | 8" | 22 ga | $54.17 | Order 24" x 8" Return Air Boot |
| 24" | 10" | 22 ga | $55.93 | Order 24" x 10" Return Air Boot |
| 24" | 12" | 22 ga | $57.69 | Order 24" x 12" Return Air Boot |
