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Filtrete 20-in W x 20-in L x 2-in Allergen Defense Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
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Amazon.com: Filterbuy 20x20x2 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 1.75 Inches) : Tools & Home Improvement
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Amazon.com: Filterbuy 20x20x2 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 1.75 Inches) : Tools & Home Improvement
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Glasfloss ZL 20x20x2 MERV 10 AC & Furnace Filters. 12 Pack. Actual Size: 19-1/2 x 19-1/2 x 1-3/4 - - Amazon.com
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