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Filter Ratings Explained

What is APR?

APR stands for Accumulair Performance Rating. This rating has been established by the manufacturer of the Accumulair Filters. This rating exists to demonstrate the different levels of efficiency throughout the Accumulair filter line. Generally speaking, the higher the APR, the better the filter performs in capturing small airborne particles. This rating system is an internal rating system and applies to Accumulair filters only.


What is MERV?

Minimum Efficiency Reporting Value (MERV) is a measurement of how effective an air filter is at removing dust particles and airborne contaminants from the air as it passes through the filter. A higher MERV rating means fewer dust particles and airborne contaminants will pass through the filter.


MERV 8 MERV 11 MERV 13
 Household Dust  Household Dust  Household Dust
 Pollen  Pollen  Pollen
 Lint  Lint  Lint
 Dust Mite Debris  Dust Mite Debris  Dust Mite Debris
 Mold Spores  Mold Spores  Mold Spores
 Pet Dander  Pet Dander  Pet Dander
 Car Fumes  Car Fumes  Car Fumes
 Smoke  Smoke  Smoke
Cough & Sneeze  Cough & Sneeze  Cough & Sneeze
Bacteria Bacteria  Bacteria
Virus Carriers Virus Carriers  Virus Carriers