Nordic Pure 16x20x4 (3 5/8) Pleated MERV 7 Air Filters 6 Pack

Nominal Size: 16 x 20 x 4, Actual Size: 15 1/2 x 19 1/2 x 3 5/8 (15.5 x 19.5 x 3.63) 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 4" air filters every 3-6 months Made in the USA: Proudly manufactured in the USA, ensuring quality and supporting local production Improved filtration captures dust, pollen, and lint, providing better indoor air quality for homes and offices.