Air Filter Cfm Ratings

Cfm stands for cubic feet per minute and this number provides insight into the efficiency of the air purifier namely how many cubic feet per minute this air purifier can scrub.

Air filter cfm ratings.

Take control of the air you breathe. Filters with higher merv ratings trap small particles more effectively than filters with lower merv ratings. Air filter rating system merv ratings. This type of air filter can theoretically remove at least 99 97 of dust pollen mold bacteria and any airborne particles with a size of 0 3 microns µm.

Hepa is a type of pleated mechanical air filter. Merv stands for minimum efficiency rating value. If you buy air filters for your furnace system you have come across this rating system. Clean air delivery rate cadr is a figure of merit that is the cubic feet per minute cfm of air that has had all the particles of a given size distribution removed.

While merv ratings reflect a filter s ability to trap both microscopic and macroscopic particles mpr ratings only grade a filter on its capacity to remove particles from 0 3 to 1 microns. However filters with merv ratings above a merv 13 tend to restrict airflow. It is capable of cleaning up to 2 100 square feet of room size in just 30 minutes or 1 050 square feet in only 15 minutes. For reference a typical dust particle is between 2 and 8 microns while pollen starts at 7 microns and can get up to 70 microns in size.

The scale ranges from a value of 1 to 18. An air filter s minimum efficiency reporting value merv rating measures how effectively the filter stops dust and other contaminants from passing through the filter and into the air stream. It is an acronym for high efficiency particulate air filter as officially defined by the u s. Medify ma 112 air purifier.

The higher the merv the higher the restriction of airflow. For air filters that have air flowing through them it is the fraction of particles of a particular size distribution that have been removed from the air multiplied by the air flow rate in cfm through the device. Air filters indoor air quality. The filter rating system is known as merv.

It is printed on the packaging. What is a hepa filter. With a cadr of 560 cfm this is one of a small crop of air purifiers with one of the highest cadr ratings in the market at the moment. Cfm measures air purification efficiency an important measurement provided by manufacturers is the cfm value for their units.