Many more sizes available including fractional. Ask!!
| duct opening | with damper | without damper | with filter & frame |
| 2.25 x 10 | $61.95 | $36.95 | |
| 2.25 x 12 | $72.95 | $44.95 | |
| 2.25 x 14 | $83.95 | $51.95 | |
| 3 x 10 | $80.95 | $48.95 | |
| 4 x 6 | $64.95 | $39.95 | |
| 4 x 8 | $84.95 | $52.95 | |
| 4 x 10 | $103.95 | $65.95 | |
| 4 x 12 | $122.95 | $77.95 | |
| 4 x 14 | $140.95 | $90.95 | |
| 4 x 18 | $172.95 | $115.95 | |
| 4 x 20 | $187.95 | $127.95 | |
| 4 x 24 | $214.95 | $151.95 | |
| 4 x 30 | $249.95 | $186.95 | |
| 4 x 36 | $276.95 | $220.95 | |
| 4 x 40 | $289.95 | $242.95 | |
| 4 x 42 | $295.95 | $253.95 | |
| 4 x 48 | $321.95 | $284.95 | |
| 4 x 60 | $402.95 | $344.95 | |
| 6 x 6 | $95.95 | $58.95 | |
| 6 x 8 | $122.95 | $77.95 | |
| 6 x 10 | $148.95 | $96.95 | |
| 6 x 12 | $172.95 | $115.95 | |
| 6 x 14 | $194.95 | $133.95 | |
| 6 x 16 | $214.95 | $151.95 | |
| 6 x 18 | $233.95 | $169.95 | |
| 6 x 20 | $249.95 | $186.95 | |
| 6 x 22 | $263.95 | $203.95 | |
| 6 x 24 | $276.95 | $220.95 | |
| 6 x 26 | $286.95 | $236.95 | |
| 6 x 28 | $295.95 | $253.95 | |
| 6 x 30 | $301.95 | $269.95 | |
| 6 x 32 | $321.95 | $284.95 | |
| 6 x 34 | $342.95 | $299.95 | |
| 6 x 40 | $402.95 | $344.95 | |
| 6 x 42 | $422.95 | $358.95 | |
| 6 x 48 | $471.95 | $399.95 | |
| 6 x 60 | $604.95 | $473.95 | |
| 6 x 36 | $362.95 | $315.95 | |
| 6 inch round | $95.95 | $58.95 | |
| 8 x 8 | $156.95 | $102.95 | |
| 8 x 10 | $187.95 | $127.95 | |
| 8 x 12 | $214.95 | $151.95 | |
| 8 x 14 | $238.95 | $174.95 | |
| 8 x 16 | $259.95 | $198.95 | |
| 8 x 18 | $276.95 | $220.95 | |
| 8 x 20 | $289.95 | $242.95 | |
| 8 x 24 | $321.95 | $284.95 | |
| 8 x 26 | $348.95 | $305.95 | |
| 8 x 28 | $375.95 | $325.95 | |
| 8 x 30 | $402.95 | $344.95 | |
| 8 x 32 | $429.95 | $363.95 | |
| 8 x 36 | $483.95 | $399.95 | |
| 8 x 40 | $536.95 | $433.95 | |
| 8 x 42 | $563.95 | $450.95 | |
| 8 x 48 | $644.95 | $496.95 | |
| 8 x 60 | $805.95 | $573.95 | |
| 8 inch round | $156.95 | $102.95 | |
| 9 x 9 | $189.95 | $128.95 | |
| 10 x 10 | $221.95 | $157.95 | |
| 10 x 12 | $249.95 | $186.95 | |
| 10 x 14 | $272.95 | $214.95 | |
| 10 x 16 | $289.95 | $242.95 | |
| 10 x 18 | $301.95 | $269.95 | |
| 10 x 20 | $335.95 | $294.95 | $368.95 |
| 10 x 24 | $402.95 | $344.95 | $430.95 |
| 10 x 30 | $503.95 | $412.95 | $515.95 |
| 12 x 12 | $276.95 | $220.95 | $275.95 |
| 12 x 14 | $253.95 | $316.95 | |
| 12 x 16 | $284.95 | $356.95 | |
| 12 x 18 | $315.95 | $394.95 | |
| 12 x 20 | $344.20 | $430.95 | |
| 12 x 24 | $399.95 | $500.95 | |
| 12 x 26 | $425.95 | $531.95 | |
| 12 x 28 | $449.95 | $562.95 | |
| 12 x 30 | $473.95 | $591.95 | |
| 14 x 14 | $328.95 | $289.95 | $362.95 |
| 14 x 16 | $325.95 | $406.95 | |
| 14 x 18 | $358.95 | $448.95 | |
| 14 x 20 | $390.95 | $488.95 | |
| 14 x 22 | $421.95 | $526.95 | |
| 14 x 24 | $450.95 | $562.95 | |
| 14 x 25 | $463.95 | $579.95 | |
| 14 x 26 | $477.95 | $596.95 | |
| 14 x 28 | $502.95 | $628.95 | |
| 14 x 30 | $526.95 | $658.95 | |
| 16 x 16 | $363.95 | $454.95 | |
| 16 x 20 | $433.95 | $542.95 | |
| 16 x 24 | $495.95 | $619.95 | |
| 16 x 30 | $573.95 | $716.95 | |
| 18 x 18 | $437.95 | $547.95 | |
| 20 x 20 | $509.95 | $637.95 | |
| 20 x 25 | $536.95 | $671.95 | |
| 20 x 30 | $644.95 | $805.95 | |
| 20 x 40 | $859.95 | $1063.95 | |
| 24 x 24 | $618.95 | $773.95 |
Many more sizes available including fractional. Ask!!
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