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The NORDIC PURE 18x22x1CustomM14-12 is a custom-cut, MERV 14 pleated air filter designed for AC and forced-air furnace systems in residential and commercial applications. Rated MERV 14, this filter captures over 90% of airborne particles between 1 and 10 microns and 75% to 95% of particles between 0.3 and 1 micron, including dust, pollen, pet dander, mold spores, smoke, bacteria, and virus carriers. The filter media is electrostatically charged to improve particle attraction and will not promote bacterial or mold growth. It ships as a 12-pack of custom-made filters with a nominal size of 18x22x1 and an actual size of 17.5 x 21.5 x 0.75 inches.
This filter is suited for high-efficiency residential and light commercial HVAC systems rated to handle MERV 14 filtration or higher. Because MERV 14 filters provide high-efficiency particle capture, the HVAC system must be capable of handling the associated airflow restriction - this rating is not compatible with all legacy or low-static systems. Typical applications include newer high-efficiency furnaces and air handlers where enhanced indoor air quality is a priority, such as homes with allergy sufferers or pet owners. NORDIC PURE recommends replacing the filter every 1 to 3 months depending on environment, with more frequent changes in high-dust or high-dander settings.
Designed as a custom OEM-style replacement pleated air filter for residential and commercial HVAC systems with a nominal 18x22x1 filter slot that are rated to handle MERV 14 filtration or higher. Verify your system specifications before installing filters rated MERV 14 and above.
Installation is typically performed by HVAC technicians or knowledgeable building maintenance personnel, though many homeowners handle routine filter changes. Always power down the air handler or furnace before removing or inserting a filter. Confirm airflow direction markings on the filter frame and align the arrow with the direction of airflow toward the blower. Because this is a custom-made filter, measure your existing filter slot carefully before ordering - custom sizes are non-returnable.
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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