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But to get more into detail over the two, consider that MERV 11 filters trap 65 to 79 percent of average particles of 1.0 to 3.0 microns in size, with an average particle size efficiency of 85 percent or better. MERV 12 filters trap 80 to 89 percent of average particles of 1.0 to 3.0 microns, with an average particle size efficiency of 90.
Captured Particle Size. 0.3-1.0 Microns. Capacity. High Capacity. SKU. P25S.012030. GTIN/UPC. 00192212062287. ... MERV Rating (Minimum Efficiency Reporting Value): As you have already learned, the MERV Rating is the primary rating system used in the industry, both domestically and internationally. Established by the American Society of Heating. Home - National Air Filtration Association.
To calculate a filter's MERV value, test dirt with specific sized dirt particles are drawn through a test duct onto a filter. The particles are divided into three broad size ranges known as E1, E2 and E3. How efficient the filter is against all three size ranges is compared against a MERV chart and the final MERV value is the highest value. Home - National Air Filtration Association. The ratings can be grouped together in the size of particles they filter, see below for a chart listing those groupings: A μm is a micrometre, which is one millionth of a metre. Filter info for Carrier models: 58MCA, 58MCB, 58MVB,58MVC, 58PAV, 58RAV, 58STA, Comfort 80, Infinity 80 & 96, Performance 80 & 93, WeatherMaker 9200..
This no-nonsense filter helps capture varying sizes of particles, from the large (lint, pollen, dust and pet dander) to the microscopic (smoke and smog). FILTER SIZE : 16 in x 25 in x 1 in OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system.