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The NORDIC PURE 18x18x1M14-24 is a MERV 14 pleated air filter designed for residential and commercial HVAC systems requiring high-efficiency particulate capture. Sold in a 24-pack, each filter measures 17.75 x 17.75 x 0.75 inches actual size with a nominal size of 18 x 18 x 1 inches. The electrostatically charged, hypoallergenic filter media captures airborne dust, pollen, mold spores, pet dander, smoke particles, bacteria, dust mite debris, and smog. The media is antimicrobial and will not promote bacterial or mold growth on the filter surface. The frame is constructed from heavy-duty, moisture-resistant beverage board.
These filters are rated for environments where air quality demands are elevated. MERV 14 filtration is equivalent to MPR 2800 and is appropriate for high-efficiency residential systems, commercial HVAC units, and applications serving occupants with allergies, asthma, or other respiratory sensitivities. Because MERV 14 media increases static pressure drop across the air handler, the HVAC system must be rated to support MERV 14 or higher before installing these filters. Recommended replacement interval is every 1 to 3 months, with more frequent changes in high-dust or pet-heavy environments.
Designed as a direct-fit replacement for residential and commercial HVAC systems, air handlers, and furnaces that accept a nominal 18 x 18 x 1 inch filter and are rated to operate with MERV 14 or higher filtration media. Verify system airflow rating before installation.
Installation is performed by licensed HVAC technicians or qualified service professionals. Before replacing the filter, shut down the air handler or furnace at the thermostat and at the equipment disconnect. Confirm the actual filter slot dimensions against the actual filter size of 17.75 x 17.75 x 0.75 inches before installing. Airflow direction is marked on the filter frame and must be observed during installation.
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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