The Medify Air MA-40 filter has three layers of filtration: pre-filter, H13 True HEPA, and active carbon composite for odors. It removes up to 99.9% of particles down to 0.1 microns while catching pollen, dust mites, mold spores, and other tiny airborne particles. This long-lasting filter has a life of 4 to 5 months or 3,000 hours.
![MA-40 air filter MA-40 air filter](https://cdn11.bigcommerce.com/s-ih6ina3dd8/images/stencil/120x160/products/245/958/MA-40-FIlter__00148.1692787323.jpg?c=2)