16x25x4 MERV 12 Furnace Filters

Our MERV 12 Furnace Filters have a vast improvement in air filtration. They meet or exceed the ASHRAE 52.2 rating to be qualified as a MERV 12 filter. A MERV 12 filter must be able to filter >90% @ 3-10 microns and >80% @ 1-3 microns. A human hair in comparison is around 50-100 microns in width.

All of our MERV 12 filters are electrostatically charged which allows them to capture more dust than a conventional pleated furnace filter. They also do not promote the growth of mildew, bacteria and fungi.