- High-efficiency filtration is at least 70 times higher than ordinary air conditioner nylon filters*
- Specially designed for infants and those with respiratory issues: Certified by the Asthma and Allergy Foundation of America
- Specially designed for pet dander filtration: PM2.5 filtration rate up to 95%*
- New upgraded material imported from the USA
*Proven by the ASHRAE 52.2 test method of the American Society of Heating, Refrigerating and Air-Conditioning Engineers, the filtration performance of 3M™ electrostatic filters is 70 times higher than that of original air conditioner nylon dust filters.
*Proven by the GB/T18801-2008 test method, in a 30 cubic meter space, after installing 3M electrostatic filters on a designated air conditioner and running it at high speed for 2 hours, it can filter 95% of PM2.5 suspended particles in the air.