Air Filter Merv Rating Vs Mpr

The three rating systems were created by separate organizations.

Air filter merv rating vs mpr.

Mpr microparticle rating is a rating system that includes microscopic particles not visible to the naked eye. Fpr filter performance rating. This is an industry standard rating system. See why the mpr system is superior to the industry standard.

Mpr microparticle performance rating. See screenshot below this filter for sale on the home depot shows fpr 10 as equivalent to either merv 8 or merv 13. The merv filter rating is the domestic and international industry standard rating system established by the. Filters with a merv rating of 1 4 mostly filter out dust lint and pollen among other larger common particles they do very little to trap small microparticles.

Some filters on their website that have both an fpr and a merv rating and at least one with an fpr of 10 is shown as equivalent to either merv 8 or merv 13. Use this rating system compare filters made by different manufacturers. Filters with higher merv ratings trap small particles more effectively than filters with lower merv ratings. The merv filter rating is the domestic and international industry standard rating system established by the american society of heating refrigerating and air conditioning engineers.

Fpr ratings are on a scale from 4 through 10. Hepa is a type of pleated mechanical air filter. It is an acronym for high efficiency particulate air filter as officially defined by the u s. This type of air filter can theoretically remove at least 99 97 of dust pollen mold bacteria and any airborne particles with a size of 0 3 microns µm.

All filters sold must meet basic safety expectations and most brands have higher level filters to address particular needs and situations. A merv rating chart shows a numerical value. Merv ratings extend from 1 to 16. This rating system reports how well the filter captures and holds.

Mpr measures ratings based on sizes 0 3 to 1 microns. To learn more about merv ratings click here. The three air filter rating systems differ in ranges and were created by separate organizations. Merv stands for minimum efficiency reporting value.

Merv 17 through merv 20 filters are typically used in surgical operating rooms. What is the difference between merv mpr and fpr air filter ratings. The range is from 1 lowest efficiency to 20 highest efficiency. When you want the best possible air filter for your home microparticles matter most they make up 99 of the particles that are in the air.

Mpr rating scales filter rating scales indicate not only the quality or the air filtration but also the specific types of particles removed. At 3m we believe merv only tells part of the story.