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The NORDIC PURE 20x25x5HM13-4 is a MERV 13 rated pleated air filter designed for high-efficiency residential and light commercial HVAC systems. Sold in a 4-pack, each filter carries a nominal size of 20x25x5 inches with an actual size of 19.88 x 24.88 x 4.38 inches. The filter media is hypoallergenic, antimicrobial, and electrostatic, supported by a metal mesh grid bonded to the pleats and enclosed in a moisture-resistant beverage board frame. Licensed HVAC technicians and experienced service professionals install this filter as a direct OEM-style replacement in systems that use the 4 3/8-inch actual depth format.
This filter is suited for forced-air furnace and air handler applications in residential homes and small commercial spaces where superior particle removal is required. It targets lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, smog, and other airborne contaminants on every air pass. Systems that accept a filter with a 4 3/8-inch actual depth and a 20x25-inch face are the primary fit. The MERV 13 rating makes this filter appropriate for occupants with allergy or respiratory concerns, as well as environments with elevated particulate loads such as during or after home renovations.
Replaces Honeywell 20x25x4 filters and other filters with an actual depth of 4 3/8 inches. Compatible with Honeywell, Lennox, Carrier, and Bryant systems that accept this nominal 20x25x5 size. Always verify the actual dimensions of the existing filter or housing before ordering, as nominal sizes vary by manufacturer.
Installation is performed by a qualified HVAC technician or a knowledgeable service professional. Always shut down the air handler or furnace at the disconnect or thermostat before removing the old filter and installing the new one. Confirm airflow direction arrows on the filter frame align with the direction of airflow through the system. Nordic Pure recommends replacing this filter every 3 to 6 months under normal operating conditions, with more frequent changes during periods of high dust or renovation activity.
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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