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The NORDIC PURE 16x18x1CustomM13-6 is a custom-cut MERV 13 pleated air filter sold in a pack of six, designed for residential and light commercial HVAC systems including furnaces and central air conditioners. The electrostatically charged filter media captures over 90% of airborne particles between 1 and 10 microns and 50%-70% of particles between 0.3 and 1 micron, including dust, pollen, pet dander, mold spores, smoke, bacteria, and virus carriers. The moisture-resistant beverage board frame adds structural durability and supports consistent airflow across the filter face. Licensed HVAC technicians and knowledgeable DIYers install this filter as a direct drop-in replacement during routine maintenance.
This filter is built to a nominal size of 16x18x1 with an actual size of 15.75 x 17.75 x 0.75 inches. It is suited for residential forced-air systems and light commercial HVAC applications where improved indoor air quality and allergen reduction are priorities. The custom construction method - which may involve cutting, combining, or taping standard frames - is intended for installations where a standard nominal size does not match the actual filter slot. Owners of pets or occupants with allergies benefit most from the higher MERV 13 efficiency rating. Filter replacement every one to three months is recommended under normal operating conditions, with more frequent changes in high-dust or high-dander environments.
Designed as a custom-size OEM-style replacement filter for residential and light commercial forced-air HVAC systems, furnaces, and central air conditioning units with a filter slot matching a nominal 16x18x1 inch opening. Verify the actual slot dimension against the listed actual size of 15.75 x 17.75 x 0.75 inches before ordering. Custom sizes are not returnable.
Installation is typically performed by a licensed HVAC technician or qualified DIYer during scheduled maintenance. Power down or set the thermostat to OFF before removing the existing filter to prevent unfiltered air from circulating through the air handler. Note the airflow direction arrow printed on the filter frame and orient the replacement filter accordingly. Because this is a custom-made product built to the exact dimensions entered at order, measure the existing filter slot carefully before ordering - custom sizes cannot be returned.
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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