What is the highest grade HEPA filter?
H13-H14 HEPA are within the highest tier of HEPA air filtration and are considered medical-grade. “A HEPA grade of H13 can remove 99.95% of all particles in the air measuring 0.2 microns in diameter, while a HEPA grade H14 removes 99.995%,” says Nagl.
Is a HEPA filter worth the money?
HEPA filters in particular are great at effectively reducing particulate matter like dust mites, pet dander, pollen and mold spores. If you are concerned about these types of particles in your home, upgrading the air filters will help keep your family protected.
What’s the difference between HEPA and true HEPA?
A True HEPA filtration device or filter is the only HEPA filter that truly conforms to the DOE standard for HEPA filtration, has the highest efficiency, and hits the 99.97% threshold. If the HEPA filter does not meet the DOE’s standards for HEPA filtration, then it is not considered True HEPA.
Why are HEPA filters bad?
HEPA filters have caused controversy over concerns that they might shed tiny fibers and be harmful to health. But the latest scientific studies have shown HEPA filters are safe and found no evidence of harm.
How long is a HEPA filter good for?
In general, a HEPA filter should be changed every year, pre-filters last 30 days and carbon filters can last three to six months. Clean permanent filters every three months and replace when damaged.
How do I know if my HEPA filter is real?
They key is to look for specific numbers on labels such as: “99.97 percent of all particles at 0.3 microns in size.” If the marketing claims are fuzzy, such as “more than 99 percent of dust and pollen,” that is not the same as True HEPA.
Are there different grades of HEPA filters?
However, there are different grades of HEPA filters, which range from H10 through H14. The higher the grade, the higher the performance. H10 to H12 filters are known sometimes as “True HEPA” filters.
Are HEPA filters bad for lungs?