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GeneralAire # 4551 for 4501 ReservePro 20x25x5 furnace filter, Actual Size:19 5/8" x 24 3/16" x 4 15/16" - Case of 2 Filters - Amazon.com
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Amazon.com: GeneralAire ReservePro # 4556 20" x 20" x 5" Air filter, MERV 11-6FM2020 (3-Pack) : Home & Kitchen
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GeneralAire # 4551 for 4501 ReservePro 20x25x5 furnace filter, Actual Size:19 5/8" x 24 3/16" x 4 15/16" - Case of 2 Filters - Amazon.com
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Amazon.com: 6FM2025#4551 Air Filter-20"x 25"x 5"- Replacement for old #4501F : Tools & Home Improvement
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Generalaire 4501 Furnace Filter MERV 10 GF 4551 Mac 2000 Replacement 20x25x5. Case of 3 Made in Canada by Furnace Filters.Ca
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Generalaire 4551 Furnace Filter 20x25x5 MERV 11 for MAC 2000. Replaces Part # 4501 MERV 10. Actual Size 19 5/8" x 24 3/16" x 4 15/16." Case of 3.
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Generalaire 6FM2025 Reservepro-2PK- 4551 Air Filter-20x 25x 5-for Old 4501-Exact Dimensions are 19 5/8x 24 3/16x 4 15/16 - Amazon.com
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