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16 3/8x21 1/2x1, Actual Size: 16 3/8"x21 1/2"x3/4", Carrier Replacement Filter by Aerostar - MERV 13, Box of 6 - Walmart.com
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16 3/8x21 1/2x1, Actual Size: 16 3/8"x21 1/2"x3/4", Carrier Replacement Filter by Aerostar - MERV 13, Box of 6 - Walmart.com
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Aerostar 16 3/8x21 1/2x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 12 Pack (Actual Size: 16 1/2" x 21 1/2" x 3/4") - Amazon.com
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16 3/8x21 1/2x1, Actual Size: 16 3/8"x21 1/2"x3/4", Carrier Replacement Filter by Aerostar - MERV 13, Box of 6 - Walmart.com
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Aerostar 16 3/8x21 1/2x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 4 Pack (Actual Size: 16 1/2" x 21 1/2" x 3/4") - Amazon.com
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