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Filterbuy 21x24.5x5 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement for Rheem, Ruud, and Protech (Actual Size: 20.63 x 24.13 x 4.38 Inches) - Amazon.com
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Filterbuy 17.5x21x5 Air Filter MERV 13, Pleated HVAC AC Furnace Filters Replacement for Rheem & Ruud | Wayfair
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