| duct opening | price |
| 12 by 12 | $257.95 |
| 12 by 10 | $242.95 |
| 14 by 10 | $255.95 |
| 14 by 12 | $272.95 |
| 14 by 14 | $290.95 |
| 14 by 30 | $431.95 |
| 16 by 10 | $268.95 |
| 16 by 12 | $288.95 |
| 16 by 14 | $308.95 |
| 16 by 16 | $327.95 |
| 16 by 30 | $466.95 |
| 17 by 17 | $348.95 |
| 18 by 10 | $282.95 |
| 18 by 12 | $304.95 |
| 18 by 14 | $325.95 |
| 18 by 18 | $370.95 |
| 20 by 10 | $294.95 |
| 20 by 12 | $319.95 |
| 20 by 14 | $343.95 |
| 20 by 16 | $367.95 |
| 20 by 20 | $415.95 |
| 20 by 24 | $464.95 |
| 20 by 30 | $536.95 |
| 21 by 21 | $440.95 |
| 22 by 16 | $387.95 |
| 24 by 10 | $321.95 |
| 24 by 12 | $349.95 |
| 24 by 14 | $378.95 |
| 24 by 16 | $407.95 |
| 24 by 18 | $435.95 |
| 24 by 24 | $521.95 |
| 25 by 14 | $378.95 |
| 25 by 16 | $416.95 |
| 25 by 20 | $476.95 |
| 26 by 14 | $396.95 |
| 26 by 16 | $426.95 |
| 28 by 16 | $446.95 |
| 30 by 10 | $360.95 |
| 30 by 12 | $396.95 |
| 30 by 14 | $431.95 |
| 30 by 16 | $466.95 |
| 30 by 18 | $501.95 |
| 30 by 20 | $536.95 |
| 32 by 16 | $486.95 |
| 34 by 10 | $387.95 |
| 36 by 14 | $484.95 |
| 40 by 20 | $657.95 |
shipping: 10% but at least $24.95
