Brand Name: BestAir *Depth: 4 *Electrostatic: *Filter Class: *Filter Frame Material: *Filter Material: *Filters Bacteria: Yes *Filters Pollen: Yes *Filters Smoke: Yes *Filters Viruses: Yes *High Efficiency: Yes *Metal Mesh Support: *Number in Package: 1 *Pleated: Yes *Product Type: Air Filter *Sub Brand: XPANDA *Trimmable: *Width: 20 *Filters Dust/Lint: Yes *Filters Mold Spores: Yes *Height: 25 *MERV/MPR Rating: 13 *Actual Size: 20-1/4 x 23-1/2 x 4-1/8 *Air Filter Size: 20x25x4