Powerful allergen protection meets the best dust busting capacity of our entire collection with the Filtrete Allergen 2X Dust Defense Filter. The filter captures unwanted allergens and holds twice as much dust as our other home air filters. Help your home get cleaner, fresher and a whole lot happier. Make sure this fits by entering your model number. Holds as much dust as 50 dusting wipes** Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1″ home air filters for your furnace, air conditioner, or HVAC system Exclusive Filtrete Brand 3-in-1 technology from 3M traps unwanted air particles Cleaner air flows back out into the room through your heating and cooling system Filtrete 1000D MPR (Microparticle Performance Rating) equates to MERV 11 For maximum performance, change your home air filter at least every 90 days The higher the MPR, the more microparticles – such as pollen, pet dander, smoke, bacteria and viruses – your filter will capture from the air passing through it A dirty filter will slow down air flow and make the system work harder to keep you warm or cool – wasting energy. Sign-up for a filter change reminder program that works for you! *Compared to other Filtrete Filters **Dry dusting wipes in normal use conditions