Brand Name: AAF Flanders
*Width: 18 in.
*Height: 20 in.
*Depth: 1 in.
*Filter Material: Fiberglass
*MERV Rating: 4 MERV
*Pleated: No
*Product Type: Air Filter
*Filters Viruses: No
*Filters Smoke: Yes
*Filter Frame Material: Cardboard
*Filter Class: Class II
*Filters Pollen: Yes
*Filters Bacteria: Yes
*Merv Rating: 4 MERV
*Filters Mold Spores: Yes
*Metal Mesh Support: No
*Trimmable: Yes
*Number in Package: 12 each
*Filters Dust/Lint: Yes
*High Efficiency: Yes
*Electrostatic: No