Fpr ratings are on a scale from 4 through 10.
Air filter ratings merv vs fpr.
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.
Some filters on their website 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.
Merv 17 through merv 20 filters are typically used in surgical operating rooms.
All filters sold must meet basic safety expectations and most brands have higher level filters to address particular needs and situations.
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.
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.
Learn more about proper air filter maintenance and associated benefits.
Merv ratings extend from 1 to 16.
See screenshot below this filter for sale on the home depot shows fpr 10 as equivalent to either merv 8 or merv 13.
Fpr or filter performance rating is a rating system developed by the home depot for brands sold through their stores including honeywell.
It utilizes a color code and number scale 4 to 10 that closely resembles the merv rating.
Merv air filter ratings range from 1 least efficient captureability to 16 very efficient.
The three air filter rating systems differ in ranges and were created by separate organizations.
Compared to the home depot s method of ranking air filters fpr merv has wider range.
Many homes use filters with a merv rating of 1 4 which mostly filter out dust lint and pollen among other larger common particles they do very little to trap small microparticles.
Fpr 10 is similar in strength to merv 20 since they are both the highest rating value.
However fpr 1 doesn t necessarily equate to merv 1.
Is an fpr 10 the same as merv 16 or merv 13 or merv 8.
Mpr measures ratings based on sizes 0 3 to 1 microns.
It isn t until fpr 4.
If the merv rating is too high above merv 13 however it can increase system backpressure and block air flow worsening the effectiveness of your hvac.
See screenshot below clearly this isn t clear.
The higher the merv rating the more particles it captures.
While fpr s rating system goes from 1 to 10 merv s rating system goes from 1 to 20.
Fpr filter performance rating is a rating system developed by the home depot for brands sold through their stores including honeywell.
