0 Items (Empty)20" x 21" x 5" Lennox Alternate Replacement Air Filter
Actual Size: 20" x 20 5/8" x 4 3/8"
 Filtrete HVAC Basic MERV 8
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 Filtrete HVAC Basic MERV 11
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Filtrete HVAC Basic MERV 13
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| Lowe's Model # | 3MR.LX052020M08 | 3MR.LX052020M11 | 3MR.LX052020M13 |
| Lowe's Item # | 485823 | 485831 | 485841 |
| MERV Rating | MERV 8 | MERV 11 | MERV 13 |
| More Info | More Info | More Info | |
| Change Frequency | 6 Months | 6 Months | 6 Months |
| 2 Pack Price |
$54.05
$27.03 Each
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$63.25
$31.63 Each
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$70.15
$35.08 Each
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| Equipment Protection |
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| Lint and Dust |
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| Pollen |
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| Pet Dander |
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| Mold Spores |
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| Dust Mites |
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| Fine Dust | - |
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| Auto Emissions | - |
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| Smoke | - |
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| Very Fine Dust | - |
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| Bacteria | - | - |
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| Tobacco Smoke | - | - | - |
