True Blue 18 in. W X 25 in. H X 1 in. D Fiberglass 2 MERV Air Filter 1 pk.Brand Name: True Blue .Depth: 1 .Electrostatic: No .Filter Class: .Filter Frame Material: Cardboard .Filter Material: Fiberglass .Filters Bacteria: No .Filters Pollen: Yes .Filters Smoke: No .Filters Viruses: No .High Efficiency: No .Metal Mesh Support: No .Number in Package: 1 .Pleated: No .Product Type: Air Filter .Sub Brand: .Trimmable: No .Width: 18 .Filters Dust/Lint: Yes .Filters Mold Spores: No .Height: 25 .MERV Rating: 2 .Actual Size: 17-7/8 x 24-7/8 x 3/4 .Air Filter Size: 18x25x1