3M Filtrete 20 In. x 20 In. x 1 In. 1500 MPR Allergen, Bacteria & Virus Smart Furnace Filter MultiSet 360 deg (degree) adjustable exhaust

360 deg (degree) adjustable exhaust directs oil and dust away from wood surfaces

9" and larger have diamond knockout

Security pocket with hook and loop closure

Made from high density polypropylene

Softgrip zone provides optimal handling

3M Filtrete 20 In. x 20 In. x 1 In. 1500 MPR Allergen, Bacteria & Virus Smart Furnace Filter MultiSet 360 deg (degree) adjustable exhaustFiltrete Smart Allergen, Bacterial & Virus filter attracts and captures microscopic particles like bacteria, particles that can carry viruses, and large particles like mold spores and pollen. Filtrete Smart Air Filters take all the guesswork out of knowing when it is the right time to make a change. Simply connect the filter to a mobile device via Bluetooth and monitor the home's air filtration system with active filter life tracking, environmental