18x30x1 (17_1/2x29_1/2) Nordic Pure Tru Mini Pleat MERV 11 Air Filters 3 Pack

Nominal Size: 18 x 30 x 1, Actual Size: 17 1/2 x 29 1/2 x 3/4 (17.50 x 29.50 x 0.75) Ultimate allergen and airborne particle reduction Great for Residential and Commercial HVAC units More surface area than standard pleats so it lasts longer. Made in the USA: Proudly manufactured in the USA, ensuring quality and supporting local production. Provides advanced particle capture without compromising airflow, boosting your HVAC system’s efficiency and air quality.