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The NORDIC PURE 20x25x5HM10-2 is a MERV 10 pleated air filter designed as a direct replacement for 20x25x5 nominal filter housings found in residential forced-air HVAC systems. The nominal size is 20x25x5 inches with an actual size of 19.88 x 24.88 x 4.38 inches, so verifying the actual depth of your existing filter or housing before ordering is essential. This filter is sold in a 2-pack and is rated MERV 10, equivalent to MPR 1000, making it effective at capturing pollen, dust mites, pet dander, bacteria, mold spores, and virus carriers. A licensed HVAC technician or knowledgeable homeowner installs this filter as a routine maintenance item.
This filter is suited for residential gas or electric forced-air furnace and air handler systems that accept a 20x25x5 nominal, 4 3/8 inch actual-depth filter. It is a recognized replacement for Honeywell, Lennox, Carrier, and Bryant systems that use this filter size. The MERV 10 rating positions it above standard fiberglass, poly disposable, and washable filter options, providing meaningful particulate capture without significantly restricting airflow in typical residential applications. It is also appropriate for light commercial applications using compatible filter housings.
Replaces Honeywell 20x25x4 filters and other brands with an actual depth of 4 3/8 inches, including compatible housings from Lennox, Carrier, and Bryant. Always measure the actual depth of your existing filter or housing before ordering, as nominal and actual sizes vary by manufacturer.
Filter replacement is a standard HVAC maintenance task performed by licensed HVAC technicians or qualified homeowners. Always set the system thermostat to the off position and confirm the air handler or furnace blower has stopped before opening the filter access panel. Confirm the actual filter dimensions match your housing before installation and observe the airflow direction arrow printed on the filter frame. Manufacturer guidance recommends replacing this filter every 3 to 6 months, with more frequent changes during renovation activity or high-pollen seasons.
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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