

The Ironside 20x25x1 MERV 8 Air Filter is a pleated air filter designed for compatible residential HVAC and furnace systems. Featuring electrostatically charged synthetic filtration media, it helps capture everyday airborne particles, including household dust, lint, pollen, and dust mites. Nominal size: 20 x 25 x 1 inches. Made in the USA according to the manufacturer. Recommended replacement interval: 30–90 days, depending on usage and air quality.
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