Nordic Pure 20x30x1 Pleated MERV 8 Air Filters 4 Pack

Nominal Size: 20 x 30 x 1, Actual Size: 19 5/8 x 29 5/8 x 3/4 (19.63 x 29.63 x 0.75) | Measure your air filter for the exact size and compare it to our actual size to ensure proper fit. | Made with MERV rated synthetic poly blend pleated media | Nordic Pure recommends changing 1" air filters every 30-90 days | Made in the USA: Proudly manufactured in the USA, ensuring quality and supporting local production | This dust reduction air filter is ideal in keeping your AC and furnace equipment working efficiently