The Filtrete Elite Black 14x25x1 air filters MPR 2200 are a series of High Performance 1 inch furnace filters provides the best air quality money can buy for your home heating and air conditioning system. A Filtrete filter helps keep the air in your home clean by reducing airborne allergens and particles that contribute to poor air quality. This MERV 13 filter is capable of reducing bacteria, tobacco smoke, auto fumes, and can even filter particles down to 1-.3 microns in size. Get the very best with the Filtrete Elite and breathe easy.