Made specifically to affordably replace Medify  MA-40 air purifier filters. This HEPA  filter utilizes advanced filtration technology to capture 99.97 percent of particles as small as 0.3 microns ensuring that you and your family can breathe easy.

With the two Medical grade filters included, you'll have a spare on hand when it's time to switch out the old one.

Filters measure 8" x 17.25" x 1.75" each.