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The NORDIC PURE 13x21x1ExactCustomM14+C-6 is a custom-cut, electrostatically charged pleated air filter rated MERV 14 with an activated carbon layer. It is designed for residential and light commercial HVAC systems, fitting air handlers and furnaces where a 13 x 21 x 0.75 inch exact-dimension filter is required. The MERV 14 rating means this filter captures over 90 percent of airborne particles between 1 and 10 microns, and 75 to 95 percent of particles between 0.3 and 1 microns. The added carbon media addresses odors alongside particulate capture. Licensed HVAC technicians and experienced DIYers install this filter as a direct drop-in replacement when a standard nominal size does not fit the equipment.
This filter is suited to residential forced-air furnaces and central air conditioning systems where exact custom sizing is required. It targets a broad range of contaminants including lint, household dust, pollen, dust mite debris, pet dander, mold spores, smoke, bacteria, and viruses. The 6-pack format supports a maintenance schedule of one filter change every 30 to 90 days depending on environmental conditions such as pet presence, construction activity, or high outdoor pollen counts. The reinforced 2-part frame construction maintains structural integrity across the full service interval.
Custom-made to exact dimensions of 13 x 21 x 0.75 inches for residential or light commercial forced-air HVAC systems requiring a non-standard filter size. Measure the existing filter opening before ordering, as custom sizes are not eligible for returns.
HVAC technicians or knowledgeable homeowners typically install pleated panel filters. Always shut down the air handler or furnace at the thermostat and disconnect power at the breaker before replacing the filter. Confirm airflow direction by matching the arrow printed on the filter frame to the direction of airflow toward the blower. Because this is a custom-cut product, verify the actual slot dimensions with a tape measure before installation to ensure a snug fit with no bypass gaps.
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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