The Filtrete Ultimate Allergen Reduction filter captures small particles 4X better than non-electrostatic filters. It helps promote a healthy home by reducing airborne dust, allergens, bacteria and viruses. For residential use only.Your home should be your sanctuary, starting with the air you breathe. Filtrete Premium Allergen, 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 home’s air quality.