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The 10 Best Aftermarket Furnace Filters

Sep 2024

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$79
$139+
Rank
Manufacturer
Product Name
Score
1
Best Aftermarket Furnace Filters - Lennox Y6605 Furnace Filter 16x26x5 Aftermarket Replacement Review FurnaceFilters.Ca

Lennox Y6605 Furnace Filter 16x26x5 Aftermarket Replacement for Lennox Healthy Climate PCO3-16-16 PureAir Air Cleaner Manufactured in Canada by FurnaceFilters.Ca Case of 3

9 . 9
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2
Best Aftermarket Furnace Filters - Lennox X0585 Generic/Aftermarket Replacement Furnace Filter - 20x20x5 Review FurnaceFilters.Ca

Lennox X0585 Generic/Aftermarket Replacement Furnace Filter - 20x20x5 MERV 13 for HCF14-11. Actual Size 20 x 19 3/4 x 4 3/8 Inches. Case of 3

9 . 5
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3
Best Aftermarket Furnace Filters - M8-1056 MERV 11 Aftermarket/Generic Made in Canada. Actual Review Furnace Filters.Ca

M8-1056 MERV 11 Aftermarket/Generic Made in Canada. Actual Size 20 1/4 x 25 3/8 x 5 1/4. Case of 3

9 . 3
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4
Best Aftermarket Furnace Filters - Five Seasons M1-1056 Replacement MERV 11 Premium Box Review electro-air

Five Seasons M1-1056 Replacement MERV 11 Premium Box Furnace Filter for Air Cleaner Purification Systems, 1400 CFM, 25.5 x 5.25 x 15.38" (3 Pack)

8 . 7
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5
Best Aftermarket Furnace Filters - Clean Comfort 20x20x4.5 Part # AMP-11-2020-45 MERV 11 Review FurnaceFilters. Ca

Clean Comfort 20x20x4.5 Part # AMP-11-2020-45 MERV 11 Aftermarket/Generic. Fits AMB11-2020-45 Air Cleaners. Case of 3 Made in Canada By FurnaceFilters.Ca

8 . 6
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6
Best Aftermarket Furnace Filters - X6673 MERV 13 Lennox 20x25x5 Generic/Aftermarket Replacement Filter Review

X6673 MERV 13 Lennox 20x25x5 Generic/Aftermarket Replacement Filter. Actual Size 19 3/4" x 24 3/4" x 4 3/8." Made in Canada by Furnace Filters.Ca - Case of 3

8 . 2
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7
Best Aftermarket Furnace Filters - M0-1056 MERV 11 Aftermarket/Generic Filter. Actual Size 15 Review FurnaceFilters.Ca

M0-1056 MERV 11 Aftermarket/Generic Filter. Actual Size 15 3/8" x 21 7/8" x 5 1/4." Case of 3 Manufactured in Canada by Furnace Filters.Ca

7 . 9
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8
Best Aftermarket Furnace Filters - Lennox 16x25x5 - X6670 MERV 8 Generic/Aftermarket Filter Review

Lennox 16x25x5 - X6670 MERV 8 Generic/Aftermarket Filter. Actual Size 15-3/4 x 24-3/4 x 4-3/8 Inches. Case of 3, Made in Canada by FurnaceFiltersCa

7 . 7
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9
Best Aftermarket Furnace Filters - M2-1056 MERV 11 Aftermarket/Generic. Actual Size 20 1/4" Review

M2-1056 MERV 11 Aftermarket/Generic. Actual Size 20 1/4" x 20 3/4" x 5 1/4" Case of 3 Made by FurnaceFilters.Ca

7 . 5
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10
Best Aftermarket Furnace Filters - Lennox x6670 HCF 16-11 MERV 11 16x25x5 Aftermarket/Generic Review FurnaceFilters.Ca

Lennox x6670 HCF 16-11 MERV 11 16x25x5 Aftermarket/Generic. Actual Size 15 3/4" x 24 3/4" x 4 3/8". Case of 3 Made in Canada by Furnace Filters.Ca

7 . 3
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