Filtrete Ultra Allergen Reduction Furnace Filter

Filtrete 4 in. filters help maintain airflow in heating and cooling systems, which helps prevent stress on the system and reduces the amount of energy needed to reach desired indoor air temperatures Microparticle Performance Rating 1550 3 times better at small particle capture compared to non-electrostatic pleated filters for the capture of 0.3 to 1.0 micron particles. For maximum performance, change your filter at least every 90 days Lasts up to 12 months For residential use only Manufactured by 3M Your home should be your sanctuary, starting with the air you breathe. FiltreteAllergen, Bacteria & Virus Air Filters help capture unwanted particles from your household air, contributing to a cleaner, fresher home environment. By proactively capturing dust, bacteria, viruses and allergens, these high performance filters help improve your homes air quality.