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The NORDIC PURE 20x24x4PCP-1 is a Pure Carbon pleated air filter rated at MERV 8, designed to capture airborne particulates while actively reducing odors and Volatile Organic Compounds (VOCs) in residential and light commercial HVAC systems. The filter media is a non-woven polyester base infused with naturally derived charcoal, delivering three times the carbon media surface area compared to standard pleated filters. A heavy-duty, moisture-resistant beverage board frame and an internal metal mesh support grid hold the pleats firmly in place during operation. Licensed HVAC technicians and facilities maintenance personnel typically specify this filter where odor control is a priority alongside particulate filtration.
This filter suits residential forced-air furnaces and central air conditioning systems in homes, apartments, and offices. It also functions as a pre-filter upstream of high-efficiency commercial HVAC units where strong odors from pets, smoke, cooking, cleaning chemicals, or other VOC sources require control before air reaches the primary filtration stage. The nominal size is 20x24x4 with an actual size of 19.38 x 23.38 x 3.63 inches. Always verify the actual opening dimensions of the filter rack before ordering, as nominal and actual sizes differ across manufacturers and housings.
Designed as an OEM-style replacement pleated filter for residential furnaces and central air conditioning systems accepting a 20x24x4 nominal filter size. Suitable for use as a standalone filter in residential applications or as a pre-filter in high-efficiency commercial HVAC units. Actual size is 19.38 x 23.38 x 3.63 inches; confirm rack opening dimensions before installation.
Turn off the HVAC system at the thermostat and disconnect power at the disconnect switch or breaker before removing the existing filter. Note the airflow direction arrow printed on the filter frame and orient the replacement filter so the arrow points toward the blower. Slide the filter fully into the track to eliminate bypass gaps at the edges. Nordic Pure recommends replacing this filter every 30 to 90 days for maximum odor control, and more frequently during renovation or remodeling activity when airborne particulate and VOC loads increase.
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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