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New MERV 10 (at 492 FPM) performance with lower pressure drop at no additional cost.
Product Review
New MERV 10 (at 492 FPM) performance with lower pressure drop at no additional cost.
16X25 Media Air Filter-MERV 11
Efficiency ratings are based on American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 52.2 1999
Efficiency ranges are defined for small particles, E1=0.3 to 1.0 microns; medium particles, E2=1.0 to 3.0 microns; and large particles, E3=3.0 to 10.0 microns