WebMar 19, 2014 · Any filter rated on the MERV scale is rated based on its ability to capture medium to large particles that range from 1 to 10 microns and its ability to capture … WebDec 26, 2024 · Filter efficiency is measured with a Lighthouse Handheld 3016-IAQ with six particle sizes – 0.3 um, 0.5 um, 1 um, 2.5 um, 5 um and 10 um. It wouldn’t pass for an ASHRAE 52.2 Test Duct. However, it can provide us with some very useful information. We tested a total of 26 different filters.
Filtrete™ Products 3M United States
WebMERV Rating MERV 13 (6) MERV 11 (3) MERV 12 (3) MERV 8 (2) MERV 14 (2) MERV 5 (2) MERV 9 (1) + More Filtrete™ Products. 18 Results ... Compare up to three products: Compare. Filtrete™ Smart MPR 2500 Premium Allergen & Ultrafine Particles Air Filters. 21 Options. Add to compare Compare. Filtrete™ Smart MPR 2200 Premium Allergen & … WebMay 28, 2024 · For a filter to get the MERV-13 rating, for example, it must filter out a minimum of 90% of the PM10, a minimum of 85% of the PM2.5, and a minimum of 50% of the PM1.0. Below is a chart from John Semmelhack showing the percentage of particles removed by size range of particle and the MERV rating of the filter. Weekly Newsletter health clinic ada ok
How to Select the Right MERV Rating for Your Furnace Filter
WebThe MERV scale ranges from 1 to 20, and on the lower end of the scale MERV 1 filtration can capture particles as small as 10 microns with 65% efficiency, and on the higher end of the scale MERV 20 filtrations can … WebDec 12, 2024 · The MERV rating system establishes minimum percentages of particles that a filter must trap in order to obtain a MERV rating. For example, a filter with a MERV rating of MERV-13 must be able to trap at least 50% of E1, 85% of E2, and 90% of E3 particles. WebThe higher the MERV rating, the better the filter is at capturing specific pollutants from the air. However, a higher MERV rating may not be best for your system. The MERV scale rates filters from 1 to 16. Your AC or furnace is designed for a specific type of filter. Most homes are best served by a filter with a MERV rating of 8 to 13, but ... health clinical