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The NORDIC PURE 20x25x5ABM12-2 is a MERV 12 pleated air filter designed as a direct replacement for Trion Air Bear filter systems. It ships in a 2-pack and features an actual size of 19.75 x 24.25 x 4.875 inches - note that the nominal size of 20x25x5 differs from the actual size, which is standard for filters in this depth range. The filter media is hypoallergenic, antimicrobial, and electrostatic, trapping lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, and other airborne contaminants. A heavy-duty, moisture-resistant beverage board frame with two strips of foam tape on two sides ensures a secure, sealed fit. A metal mesh support grid bonded to the pleats maintains structural integrity under airflow.
This filter is suited for residential and light commercial HVAC applications using Trion Air Bear filter cabinets that accept a 20x25x5 nominal size filter with a 4 7/8 inch depth. It is appropriate for households with moderate allergy concerns, pet owners, and any environment where higher-efficiency particulate capture is needed beyond standard fiberglass or poly disposable filters. NORDIC PURE recommends replacing filters every 3 to 6 months, though replacement intervals will vary based on indoor air quality, occupancy, and local conditions. The antimicrobial media inhibits the growth of bacteria and mold within the filter itself.
Designed as a replacement filter for Trion Air Bear filter cabinets accepting a 20x25x5 nominal size with a 4 7/8 inch actual depth. Verify the actual depth of your existing filter before installation, as depth dimensions vary by manufacturer and cabinet model.
Installation is performed by HVAC technicians or qualified service professionals. Always power down the air handler or furnace at the disconnect and thermostat before replacing the filter. Confirm the actual dimensions of the installed filter against the replacement before seating it in the cabinet - nominal and actual sizes differ in this depth class. Insert the filter with the airflow arrow on the frame pointing toward the blower, and ensure the foam tape strips form a complete seal against the cabinet walls to prevent bypass.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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