Filterbuy 20x20x4 MERV 8 Air Filter
The Filterbuy 20x20x4 MERV 8 air filter traps and blocks over 90% of pollen, dust mites, mold, larger dust particles, and more.
- Ideal for standard and residential commercial use
- Designed to last 90 days. Replace regularly for optimum performance.
- Nominal size: 20 x 20 x 4 (in.)
- Actual size: 19.375 x 19.375 x 3.625 (in.)