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Made in USA 24 x 24 x 4", MERV 8, <20% Efficiency, Wire-Backed Pleated Air Filter Cotton/Polyester & Activated Carbon, Beverage Board Frame, 500 Max FPM, 2,000 CFM, High Capacity, Use with
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Made in USA - Pleated Air Filter: 24 x 24 x 4″, MERV 13, 85% Efficiency, Wireless Pleated - 32977035 - MSC Industrial Supply
Aerostar 20x24x4 MERV 8, Pleated Air Filter, 20 x 24 x 4, Box of 6, Made in The USA - Amazon.com
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Buy Amana® 20x25x5 (20 x 24 3/4 x 4 3/8) Furnace Filters by Accumulair® | AirFilters.com
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PRO-SOURCE - Pleated Air Filter: 24 x 24 x 4″, MERV 14, Mini-Pleat - 14277420 - MSC Industrial Supply
PRO-SOURCE - Pleated Air Filter: 24 x 24 x 4″, MERV 14, Mini-Pleat - 14277222 - MSC Industrial Supply
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Carrier MERV 8 1” Air Filter, 24” x 24” x 1”, 4 PK 24X24X1-M8-C-P4 | Parts Town