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All air filters have a nominal size and an actual size. The nominal size is a shorthand number rounded to the nearest whole or half inch, normally in a larger font, that helps simplify the purchasing process (ex: 20″ x 20″ x 1″). Whereas the actual size is an exact measurement, normally in a smaller font, that depicts the precise dimensions of the filter (ex: 19.5″ x 19.5″ x .75″).
20x20x1 replacement air filters for your furnace, air conditioner, or HVAC system (actual size: 19.50 x 19.50 x 0.75 inches)
MERV 8 (Odor Eliminator) synthetic media (comparable with MPR 600 & FPR 5) protects homes from adverse smells while trapping 90% of airborne particles without impacting air flow
High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models
Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs
All components are manufactured within the United States and designed with recyclable materials