Hepa is a type of pleated mechanical air filter.
Air filter merv rating vs mpr.
All filters sold must meet basic safety expectations and most brands have higher level filters to address particular needs and situations.
See why the mpr system is superior to the industry standard.
In general filters with a rating of merv 16 or below are considered to be hvac system grade filters for residential commercial and general hospital use.
It is an acronym for high efficiency particulate air filter as officially defined by the u s.
This rating system reports how well the filter captures and holds.
Merv 17 through merv 20 filters are typically used in surgical operating rooms.
Mpr measures ratings based on sizes 0 3 to 1 microns.
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.
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.
See screenshot below this filter for sale on the home depot shows fpr 10 as equivalent to either merv 8 or merv 13.
This is an industry standard rating system.
Fpr filter performance rating.
The merv filter rating is the domestic and international industry standard rating system established by the.
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.
Mpr rating scales filter rating scales indicate not only the quality or the air filtration but also the specific types of particles removed.
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.
Filters with higher merv ratings trap small particles more effectively than filters with lower merv ratings.
The range is from 1 lowest efficiency to 20 highest efficiency.
Merv ratings extend from 1 to 16.
Mpr microparticle performance rating.
Created by 3m only filters designed by the 3m filtrete brand carry an mpr rating which rates the filter s ability to trap air particles smaller than 1 micron.
Mpr microparticle rating is a rating system that includes microscopic particles not visible to the naked eye.
Merv stands for minimum efficiency reporting value.
The three rating systems were created by separate organizations.
At 3m we believe merv only tells part of the story.
What is the difference between merv mpr and fpr air filter ratings.
A merv rating chart shows a numerical value.
Mpr ratings range from 300 mpr basic to 2800 mpr premium.
To learn more about merv ratings click here.
Fpr ratings are on a scale from 4 through 10.
