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The NORDIC PURE 14x18x1ExactCustomM13+C-6 is a custom-cut, pleated MERV 13 plus carbon air filter designed for residential and light commercial AC and furnace systems. Built from electrostatically charged synthetic filter media with an added carbon layer, this filter captures fine particulates and helps reduce airborne odors in a single pass. At a nominal size of 14x18x1 with an actual size of 14 x 18 x 0.75 inches, it is manufactured to exact dimensions. The filter achieves MERV 13 performance, capturing over 90 percent of airborne particles between 1 and 10 microns and 50 to 70 percent of particles between 0.3 and 1 micron. It is typically installed by HVAC technicians or knowledgeable building maintenance staff.
This filter is suited for residential and small commercial HVAC applications where standard nominal sizes do not fit the existing filter slot. The exact-cut construction addresses installations where off-the-shelf filter dimensions leave gaps that allow unfiltered air to bypass the media. The carbon layer provides additional control of common household odors from pets, cooking, and smoke. This 6-pack format supports a regular replacement schedule of every 30 to 90 days depending on indoor air quality conditions and system load. Because this is a custom-fabricated size, buyers should measure the existing filter slot before ordering.
Custom-fabricated as an exact-size replacement filter for residential and light commercial AC and gas furnace systems with a filter slot that accepts a nominal 14x18x1 filter. Verify the actual opening dimensions before ordering, as custom sizes are non-returnable.
Power down or set the thermostat to the off position before removing the existing filter to prevent unfiltered air from circulating through the air handler during the swap. Confirm airflow direction arrows on the filter frame align with the direction of airflow into the blower or heat exchanger. Custom-fabricated filters use a reinforced multi-part frame that may include tape joints; inspect the frame for integrity before installation. Replace every 30 to 90 days based on observed loading and indoor air quality requirements.
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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