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Nordic Pure 20x24x2 (19 3/8 x 23 3/8 x 1 3/4) Pleated MERV 10 Air Filters 3 Pack - Replacement Room Air Conditioner Filters - Amazon.com
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HDX 23. 5 in. x 23. 5 in. x 1 in. Standard Pleated Air Filter FPR 5 65100.01235235 - The Home Depot
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XPOWER PF-23 23" x 23" Stage 2 Pleated Media Filter for AP-2500D Filtration Systems
20" x 23" x 1" MERV 8 Air Filters - Only $8.83 Each!
20" x 23" x 1" filter - MERV 13 - FST Filtration
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Filter King 20x23x1 Air Filter | 5-PACK | MERV 8 HVAC Pleated AC Furnace Filters | Actual Size 20 x 23 x .75" - Amazon.com
