Ideal for high efficiency air filtration and will help those with moderate allergies and asthma.
Made with MERV rated synthetic poly blend pleated media
Nominal Size: 20 x 24 x 4, Actual Size: 19 3/8 x 23 3/8 x 3 5/8 (19.38 x 23.38 x 3.63)
Made in the USA: Proudly manufactured in the USA, ensuring quality and supporting local production