Efficiency Guide

Filter Efficiency
Cross Reference of Various Filter Efficiencies
Compiled and averaged from manufacturer’s data. Efficiency per ASHRAE Standards 52 Test methods. Curves
are approximations only for general guidance. Values from them must not be used to specify air filters, since a
generally recognized test standard does not exist. Graphs from Equipment Handbook, Air Cleaners for Particulate
Contaminants. Reprinted by permission of the American Society of Heating, Refrigerating and Air Conditioning
engineers from the 1988 ASHRAE Handbook - Equipment.
Flanders Corporation reserves the right to revise product specications without notice.
531 Flanders Filter Road
Washington, NC 27889
Phone: [phone]
Fax: [phone]
Website: www.anderscorp.com
PB-3001-1109
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