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The AAF/FLANDERS 81555.012025 is a MERV 6 pleated air filter designed for residential and light commercial forced-air HVAC systems. Sized at 20 inches x 25 inches x 1 inch, it uses a kraft frame with wire-backed pleated media to maintain filter shape under airflow and extend service life. The MERV 6 rating makes it effective against common airborne particles including pollen, pet dander, mold spores, and dust and lint. Rated for approximately 60 days of service per filter, it balances filtration efficiency with low static pressure drop. This unit is sold in a pack of 12 filters.
This filter is suited for residential forced-air furnaces, air handlers, and central air conditioning systems where standard one-inch filter media is specified. It fits into standard filter slots and return-air grilles sized for 20 x 25 x 1 inch media. HVAC technicians, property managers, and maintenance professionals commonly install this filter as part of scheduled preventive maintenance programs. The 12-pack quantity supports multi-unit servicing or full-season filter stocking.
Designed as an OEM-style replacement for residential and light commercial forced-air HVAC systems requiring a 20 x 25 x 1 inch MERV 6 pleated air filter.
Installation should be performed by a qualified HVAC technician or knowledgeable maintenance professional. Always shut down the air handler or furnace before removing or installing the filter. Confirm airflow direction arrows on the filter frame align with the system airflow direction before seating the filter. Replace the filter at or before the 60-day service interval to prevent pressure drop buildup and reduced system efficiency.
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