When you are looking to find a new filter, there are two different sizes that you will need to be aware of. MPR only rates an air filters ability to capture particles in the 0.3-1.0 micron range where MERV ratings account for a larger range of particles to rate a filter more accurately. MPR MPR is an acronym for "Microparticle Performance Rating" and was developed by 3M to rate their specific brand of air filters. FPR is similar to MERV in how it is calculated but not nearly as specific or accurate. FPR is based on a color coded scale from 4-10 to designate the quality and effectiveness of an air filter to capture different particles. FPRįPR is and acronym for "Filter Performance Rating" and was designed by Home Depot for air filters that are sold in their stores including Honeywell. Alternatively, a MERV 11 filter can capture up to 65% in the 1.0-3.0 range, up to 85% in the 3.0-10.0 range but can also capture up to 20% in the tiny, 0.3-1.0 range where MERV 8 captures none. For example, a MERV 8 filter can capture up to 20% of particulates in the 1.0-3.0 micron range and up to 70% of particulates in the 3.0-10.0 micron range. The higher the MERV rating not only indicated how much of a specific size particle it can capture and at what efficiency, but also the size of the particles it can capture. The MERV scale ranges from 1-16, designating how effective an air filter is at removing particulates of varying sizes. The MERV scale was established by ASHRAE (American Society of Heating, Refrigeration and Air Conditioning Engineers) in 1987 to measure air filter effectiveness on a more granular scale than other rating systems. It is the measure of how efficient a filter is at removing particles of different sizes from the air that passes through it. MERV is an acronym for “ Minimum Efficiency Reporting Value". This is the industry standard by which air filters are rated and is the only rating system that is regulated at the national level.
Units this air filter is compatible with: Heavy-Duty Moisture-Resistant Beverage Board
#CARRIER FK4DNF002 FILTER INSTALL#
The filter frame is made from heavy-duty, moisture resistant beverage board to create a rigid filter frame that is easy to install and remove. The media is supported by a galvanized, expanded metal backing that resists rust and corrosion.
They are manufactured right here in Florida, by Floridians.Įach air filter uses filter media that is made from 100% synthetic material that will not support microbial growth and does not absorb moisture. Glasfloss Air Filters are an excellent choice for any air conditioning system and are the ones used by the professionals.