Nordic Pure 20x20x4 (3 5/8) Pleated MERV 12 Air Filter 1 Pack (20x20x4M12-1)

Nordic Pure 20x20x4M12-1 Pleated MERV 12 Air Filter 1 Pack – 20x20x4 is engineered with electrostatically charged synthetic media that effectively captures airborne contaminants such as dust, pollen, pet dander, and mold spores. This high-efficiency filter is ideal for improving indoor air quality in residential and commercial HVAC systems while maintaining strong airflow.

Features:

Electrostatically charged synthetic media for enhanced particle captureHeavy duty, moisture-resistant beverage board frameMetal mesh support grid bonded to pleats for structural integrityDurable construction ensures long-lasting performance

Benefits:

Captures airborne allergens and particulate matterImproves indoor air quality and reduces allergy triggersSupports HVAC system efficiency and longevityIdeal for homes with pets, allergies, or high dust levelsRecommended replacement every 3–6 months depending on usage

Technical Specifications:

Model: 20x20x4M12-1Nominal Size: 20″ x 20″ x 4″Actual Size: Approximately 19.5″ x 19.5″ x 3.63″Quantity: 1 filter per packMERV Rating: 12MPR Equivalent: 1500–1900

Important Note: Almost all furnace filters have an actual size that differs from the nominal size printed on the filter. For proper fit, measure your existing filter and compare it to our actual size before purchasing. If you’re replacing a 4-3/8” depth filter for a Honeywell unit, consider our 20x20x5 Honeywell Replacement model (Actual Size: 19.63″ x 19.88″ x 4.38″).