- Actual Size: 19.5” x 19.5” x 1.75” | Nominal Size: 20 x 20 x 2
- MERV 10 Efficiency with MERV 8 Air Flow & pressure drop.
- Electrostatic air filters for homes, business, schools, apartments, hotels and industrial.
- Durable and sturdy galvanized metal backing.
- Made in the USA. For optimal performance, recommended to change at least every 3 months.