MERV Ratings Scale

The MERV rating scale shows the efficiency of a filter. That is, the percentage of particles removed based on the size of the particle.

Many air purifiers use a foam pre-filter and those fall in the MERV 1-4 range and are the lowest performing filters. A higher performance pre-filter will further improve the quality of the air. We recommend a MERV 6 to MERV 8 rated pre-filter to balance the filtration capabilities with less airflow resistance. Every air purifier offered from Oransi has a MERV Rating of 16-18.

MERV Ratings Chart

Learn More

What Air Purifier Companies Don't Want You To Know

Air Purifier Filter Comparisons

Ionic VS. HEPA Air Purifiers

Getting Started With Your Oransi Air Purifier

Who Uses Oransi Air Purifiers?