Their basic filter is rated at 100 and their most efficient filter is rated at 2800.
Furnace filter merv vs mpr.
At 3m we believe merv only tells part of the story.
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.
To learn more about merv ratings click here.
This rating system was developed by the company 3m designed to rate the manufacturer s filters and their ability to capture airborne particles smaller than 1 micron.
Whereas merv is a rating that can apply to all air filters mpr is a rating that was created by the company 3m and so it only applies to filters produced by the 3m brand.
The mpr 2800 would qualify as a merv 14 so even though 3m emphasizes the smallest size range of particles their best filter doesn t qualify for the highest merv rating.
Mpr microparticle rating is a rating system that includes microscopic particles not visible to the naked eye.
Mpr microparticle performance rating.
Fpr ratings are on a scale from 4 through 10.
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 filter performance rating.
When considering fpr vs.
Mpr micro particle performance rating.
The others are proprietary names.
In other words popular brands are using their own rating systems to rate their filters.
However of the three merv is the only one considered the industry standard.
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 measures ratings based on sizes 0 3 to 1 microns.
Mpr ratings range from 300 mpr basic to 2800 mpr premium.