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The NORDIC PURE 25x29x1CustomM10+C-6 is a custom-cut, pleated MERV 10 plus carbon AC and furnace air filter sold in a 6-pack. It is built from electrostatically charged synthetic media combined with an activated carbon layer to capture airborne particulates and reduce common household odors in a single pass. The filter fits systems that require a nominal 25x29x1 size with an actual size of 24.5 x 28.5 x 0.75 inches. It is designed for residential and light-commercial HVAC applications and is typically installed by the homeowner or HVAC technician during routine filter maintenance. The reinforced 2-part frame adds structural durability to support consistent airflow over the filter service life.
This filter is sized for HVAC systems that require a custom nominal 25x29x1 filter slot where standard off-the-shelf sizes do not fit. The MERV 10 rating means it captures over 85% of airborne particles between 3 and 10 microns, including lint, household dust, pollen, pet dander, mold spores, and baking flour. The added carbon layer addresses odors that a standard pleated filter would not reduce. Custom-built filters of this type are common in older homes, commercial units, or equipment with non-standard filter cabinets. Nordic Pure manufactures this filter in the USA.
Custom-built to a nominal 25x29x1 size as an OEM-style replacement for residential and light-commercial HVAC systems requiring that non-standard filter dimension. Verify the actual opening of your filter cabinet before ordering, as custom sizes are not eligible for returns. The actual filter dimensions are 24.5 x 28.5 x 0.75 inches; the installed filter slot should match within 0.125 inches.
Power down the HVAC system at the thermostat or disconnect before removing the existing filter. Confirm airflow direction arrows on the filter frame align with the direction of airflow in the cabinet before seating the new filter. Nordic Pure recommends replacing this filter every 30 to 90 days depending on indoor and outdoor air quality conditions. Because this is a custom-made product, measure the existing filter or the filter cabinet opening carefully before installation, as returns are not accepted on custom sizes.
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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