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The AAF/FLANDERS 84858.01202 is a MERV 8 pleated air filter designed for residential and light commercial forced-air HVAC systems. Measuring 20 inches x 20 inches x 1 inch, it uses 100% synthetic, wire-backed filter media housed in a clay-coated frame that resists moisture and maintains its shape under airflow. The wire backing keeps the media from collapsing at normal system static pressures. Rated for up to 90 days of service, this filter is sold in cases of 12 units. HVAC technicians and property maintenance personnel rely on it for standard filter-change programs across multi-unit and single-family residential accounts.
This filter is suited for residential gas furnaces, air handlers, and central air conditioning systems using a 1-inch filter slot with a 20 x 20 nominal opening. At MERV 8, it provides meaningful particulate capture without the pressure-drop penalty of higher-rated media, making it a practical choice for systems without variable-speed or ECM blower motors. It is an appropriate selection for routine preventive maintenance programs where quarterly filter replacement schedules are standard.
Designed as an OEM-style replacement pleated filter for residential and light commercial forced-air furnace and air handler systems using a nominal 1-inch, 20 x 20 filter slot.
Filter replacement is typically performed by HVAC technicians or trained maintenance personnel. 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. Insert the filter with the airflow arrow on the frame pointing toward the blower and away from the return air stream. Inspect the filter rack gasket or frame seal to ensure no bypass gaps exist around the filter perimeter.
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