Your home should be your sanctuary, starting with the air you breathe. This filter helps capture unwanted particles from your household air, contributing to a cleaner, fresher home environment. By proactively capturing dust, bacteria, viruses & allergens, these high performance filters help improve your home's air quality. Designed with exclusive Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. Outperforms fiberglass, washable & non-electrostatic three-month pleated 1" home air filters for your furnace, air conditioner or HVAC system. Air Purifier Filter Type: Filtrete Filter Media & Activated Carbon; Filtration For: Bacteria; Cough & Sneeze Debris; Dust; Lint; Pollen; Smoke; Viruses; Width: 20"; Depth: 1".