| duct opening | price |
| 12 by 12 | $237.95 |
| 12 by 10 | $225.95 |
| 14 by 10 | $235.95 |
| 14 by 12 | $250.95 |
| 14 by 14 | $264.95 |
| 14 by 30 | $379.95 |
| 16 by 10 | $246.95 |
| 16 by 12 | $263.95 |
| 16 by 14 | $279.95 |
| 16 by 16 | $295.95 |
| 16 by 30 | $408.95 |
| 17 by 17 | $311.95 |
| 18 by 10 | $257.95 |
| 18 by 12 | $276.95 |
| 18 by 14 | $294.95 |
| 18 by 18 | $329.95 |
| 20 by 10 | $268.95 |
| 20 by 12 | $288.95 |
| 20 by 14 | $307.95 |
| 20 by 16 | $327.95 |
| 20 by 20 | $366.95 |
| 20 by 24 | $406.95 |
| 20 by 30 | $466.95 |
| 21 by 21 | $387.95 |
| 22 by 16 | $344.95 |
| 24 by 10 | $289.95 |
| 24 by 12 | $313.95 |
| 24 by 14 | $336.95 |
| 24 by 16 | $360.95 |
| 24 by 18 | $383.95 |
| 24 by 24 | $453.95 |
| 25 by 14 | $343.95 |
| 25 by 16 | $367.95 |
| 25 by 20 | $417.95 |
| 26 by 14 | $351.95 |
| 26 by 16 | $376.95 |
| 28 by 16 | $393.95 |
| 30 by 10 | $322.95 |
| 30 by 12 | $350.95 |
| 30 by 14 | $379.95 |
| 30 by 16 | $408.95 |
| 30 by 18 | $437.95 |
| 30 by 20 | $466.95 |
| 32 by 16 | $424.95 |
| 34 by 10 | $343.95 |
| 36 by 14 | $423.95 |
| 40 by 20 | $565.95 |
shipping: 8%
