AHRI 850 (I-P) and 851 (SI): Performance Rating of Commercial and Industrial Air Filter Equipment

Standard Scope

This standard applies to factory-made air filter equipment and air filter media, as used in equipment for removing particulate matter in the environmental conditioning of inhabited spaces in commercial and industrial facilities.

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AHRI 850-2013 (R2023) (I-P) Performance Rating of Commercial and Industrial Air Filter Equipment

AHRI 851-2013 (R2023) (SI) Performance Rating of Commercial and Industrial Air Filter Equipment