| Table 1 | – Recommended Filter Sizes |
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| Recommended Filter Sizes |
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Nominal Air Flow |
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| Nominal Size (inches/mm) |
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Cubic Feet |
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per Minute (CFM) |
| Disposable Filters | Cleanable Filters |
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20 x | 25 (508.0 x 635.0) (1 Req.) | 14 x 25 (355.6 x 635.0) (1 Req.) |
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14 x | 25 (355.6 x 635.0) (2 Req.) | 14 x 25 (355.6 x 635.0) (1 Req.) |
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16 x | 18 (406.4 x 457.2) (2 Req.) | 16 x 18 (406.4 x 457.2) (1 Req.) |
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20 x | 25 (508.0 x 635.0) (2 Req.) | 20 x 25 (508.0 x 635.0) (1 Req.) |
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20 x 30 (508.0 x 762.0) (2 Req.) | 20 x 25 (508.0 x 635.0) (1 Req.) |
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20 x | 30 (508.0 x 762.0) (2 Req.) | 24 x 30 (609.6 x 762.0) (1 Req.) |
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359AAV
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