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BestAir AXP-213-13R Aprilaire/SpaceGard 20 x 25 x 4 Series 3000 MERV 13 Furnace Filter - Walmart.com
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Filters Fast® Clean Green 213 Replacement for AprilAire 213, 20x25x4 MERV 13 Healthy Home Air Filter - Guaranteed Fit
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Aerostar MERV 13 Collapsible Replacement Filter for Aprilaire 213, (Pack of 2): Amazon.com: Tools & Home Improvement
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213 Replacement Air Furnace Filter Compatible with AprilAire 213 Whole House Air Cleaner Purifiers Models 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200- MERV 13, 20 x 25 x 4, 2 Pack - Amazon.com
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Amazon.com: AprilAire 213 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 20x25x4 Air Filter (Pack of 1) : Home & Kitchen
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AprilAire 20 in. x 25 in. x 4 in. 213 MERV 13 Pleated Filter for Air Purifier Models 1210, 1620, 2210, 2216, 3210, 4200 (4-Pack) 213 04 - The Home Depot
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