3PK 14x20x1 Naturalaire Micro Particle Pleated Filter, Case of 4

3 Pack, 14" x 20" x 1", Natural Standard Pleated Air Filter, 100% Synthetic Wire Backed Media, Craft Die Cut Frame, MERV Rating 8, 90 Day Filter, Effective Against Pollen, Dust/Lint, Dust Mites, Pet Dander, Mold, Bacteria, Virus Carriers.