5.8 / 10
FilterStudy Score
Honeywell Micro Defense MERV 8 4-Inch Air Filter Review (CF100A1025)
PFE1 Efficiency (0.3-1 μm) : 2.5
PFE2 (1-3 μm) : 6
Permeability / Pressure Drop : 8.9
4 / 10
FilterStudy Score
“SFP Filters” Merv 13 1″ Air Filter Review
PFE1 Efficiency (0.3-1 μm) : 0.4
PFE2 (1-3 μm) : 3.5
Permeability / Pressure Drop : 8
3.7 / 10
FilterStudy Score
“MERV Filters” MERV 8 Pleated 1″ Air Filter Review
PFE1 Efficiency (0.3-1 μm) : 0
PFE2 (1-3 μm) : 2
Permeability / Pressure Drop : 9
5.2 / 10
FilterStudy Score
AIRx Filters MERV 13 1″ Filter
PFE1 Efficiency (0.3-1 μm) : 3.7
PFE2 (1-3 μm) : 7
Permeability / Pressure Drop : 4.9
9.4 / 10
FilterStudy Score
Lennox X6675 MERV 16 Media Air Cleaner
PFE1 Efficiency (0.3-1 μm) : 9.5
PFE2 (1-3 μm) : 9.8
Permeability / Pressure Drop : 8.8
6.3 / 10
FilterStudy Score
Honeywell FC100A1037 Ultra Efficiency Furnace Air Filter
PFE1 Efficiency (0.3-1 μm) : 3
PFE2 (1-3 μm) : 7.2
Permeability / Pressure Drop : 8.7
7.7 / 10
FilterStudy Score
3M Filtrete MPR 2200 Elite Allergen Air Filter Review
PFE1 Efficiency (0.3-1 μm) : 7.3
PFE2 (1-3 μm) : 9.3
Permeability / Pressure Drop : 6.5
3.9 / 10
FilterStudy Score
Nordic Pure MERV 12 Pleated Furnace Air Filter Review
PFE1 Efficiency (0.3-1 μm) : 0.3
PFE2 (1-3 μm) : 3.8
Permeability / Pressure Drop : 7.5
5.1 / 10
FilterStudy Score
3M Filtrete MPR 1900 Ultra Allergen Healthy Living Air Filter Review
PFE1 Efficiency (0.3-1 μm) : 2.1
PFE2 (1-3 μm) : 5.7
Permeability / Pressure Drop : 7.6
5.1 / 10
FilterStudy Score
Filterbuy Odor Eliminator Air Filter Review
PFE1 Efficiency (0.3-1 μm) : 2.1
PFE2 (1-3 μm) : 5.7
Permeability / Pressure Drop : 7.6