3M Filtrete Furnace Filters, 6-pack (size 16 x 25 x 1)Keeping your home clean and healthy is Filtretes mission and Filtrete Healthy Living filters can be your perfect partner. Featuring high performing electrostatic technology, Filtrete filters proactively capture dust, germs, viruses and allergens in your air. Features: Carries a 1500 microparticle performance rating (MPR) 3x better small particle capture Airflow guaranteed 90% effective at capturing particles like dust, pollen and mould spores from the