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The NORDIC PURE 23x25x1ExactCustomM7-6 is a custom-cut, pleated AC furnace air filter rated MERV 7, sold in a 6-pack. It is designed to fit air handling systems where standard nominal sizes do not match the actual filter slot dimensions. The nominal size is 23x25x1 with an actual size of 23 x 25 x 0.75 inches. The electrostatically charged filter media captures lint, dust, pollen, pet dander, mold spores, and other common airborne particles in the 3-10 micron range, removing 50 to 70 percent of particles at that size. The heavy-duty beverage board frame is moisture resistant. HVAC technicians and property maintenance professionals install this filter in residential and light commercial forced-air systems.
This filter is suited for residential furnaces, central air conditioning systems, and light commercial air handlers where a 23 x 25 x 0.75-inch actual-dimension slot is required. The MERV 7 rating is comparable to an MPR 600 filter and meets ASHRAE efficiency standards. It is a practical choice for occupied spaces with pets, moderate dust loads, or occupants with mild allergies. Replacement is recommended every 1 to 3 months depending on occupancy conditions, pet presence, and indoor air quality demands. During renovation or construction activity, more frequent changes are advisable.
Designed as a custom exact-fit replacement for forced-air furnace and AC systems requiring an actual filter slot size of 23 x 25 x 0.75 inches. Measure the actual opening in the unit before ordering, as nominal and actual dimensions differ on most air handlers. This is a non-returnable custom-made product; verify dimensions before placing an order.
Installation is typically performed by HVAC technicians or qualified maintenance personnel, though many property owners perform filter changes themselves. Power down or set the thermostat to the off position before removing the existing filter to prevent unfiltered air from bypassing the media during the swap. Confirm airflow direction arrows on the filter frame align with the direction of airflow in the unit before seating the filter. Because this is a custom-cut size, measure the actual filter slot dimensions carefully before ordering, as custom filters are not eligible for return.
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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