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Compare price from $38.99 ~ $273.99ADVERTISEMENT
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![]() Walmart 20x25x5 (4 3/8) Lennox X6673_x6675 Replacement AC Filter Merv 14 + Carbon 2 Pack, Size: 20x25x5 LXRED, White | $144.49 | Delivery date & cost shown at checkout | |
![]() Walmart 20x25x5 (4 3/8) Lennox X6673_x6675 Replacement AC Filter Merv 15 + Carbon 1 Pack, Size: 20x25x5 LXRED, White | $79.99 | Delivery date & cost shown at checkout | |
![]() eBay 20"x25"x5" (19-3/4 X 24-3/4 X 4-3/8) Lennox X6673 X6675 Merv 14 + | $94.77 | Delivery date & cost shown at checkout | |
![]() eBay 20x25x5 (19_3/4 X 24_3/4 X 4_3/8) Lennox X6673_x6675 12 Pleated + | $121.23 | Delivery date & cost shown at checkout | |
![]() eBay 20x25x5 (19_3/4 X 24_3/4 X 4_3/8) Lennox X6673_x6675 15 Air Filter 1 | $106.69 | Delivery date & cost shown at checkout | |
![]() eBay 20x25x5 (19_3/4 X 24_3/4 X 4_3/8) Lennox X6673_x6675 Replacement Merv | $110.81 | Delivery date & cost shown at checkout | |
![]() eBay 20x25x5 (4 3/8) Lennox X6673_x6675 Replacement Merv 12 Air Filter 1 | $40.99 | Delivery date & cost shown at checkout | |
![]() eBay 20x25x5 (4 3/8) Lennox X6673_x6675 Replacement Merv 12 Air Filter 2 | $63.99 | Delivery date & cost shown at checkout | |
![]() eBay 20x25x5 (4 3/8) Lennox X6673_x6675 Replacement Merv 12 Pleated + | $47.99 | Delivery date & cost shown at checkout | |
![]() eBay 20x25x5 (4 3/8) Lennox X6673_x6675 Replacement Merv 8 Air Filter 1 | $38.99 | Delivery date & cost shown at checkout | |
![]() eBay 20x25x5 (4 3/8) Lennox X6673_x6675 Replacement Odor Reduction Merv 8 | $194.99 | Delivery date & cost shown at checkout | |
![]() eBay 20x25x5 19_3/4 X 24_3/4 X 4_3/8 Lennox X6673_x6675 Merv 12 Air Filter | $76.39 | Delivery date & cost shown at checkout | |
![]() eBay 20x25x5 Air Filter X6673 X6675 Merv 15 | Merv 16 | $153.90 | Delivery date & cost shown at checkout | |
![]() eBay 20x25x5 Air Filter X6673 X6675 Merv 15 | Merv 16 Plus Carbon For Odor | $120.00 | Delivery date & cost shown at checkout | |
![]() eBay 20x25x5 Merv 15 Pleated Lennox X6673_x6675 Replacement Ac Furnace A | $99.99 | Delivery date & cost shown at checkout | |
![]() eBay Nordic Pure 20x25x5 (19_3/4 X 24_3/4 X 4_3/8) Lennox X6673_x6675 | $82.22 | Delivery date & cost shown at checkout | |
![]() Grow It Depot 20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 14 Plus Carbon 2 Pack | $153.99 | Delivery date & cost shown at checkout | |
![]() Grow It Depot 20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 12 Pleated Plus Carbon 2 Pack | $89.99 | Delivery date & cost shown at checkout | |
![]() Grow It Depot 20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 12 Pleated Plus Carbon 4 Pack | $178.99 | Delivery date & cost shown at checkout | |
![]() Grow It Depot 20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filters 1 Pack | $77.99 | Delivery date & cost shown at checkout | |
![]() Grow It Depot 20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filters 4 Pack | $273.99 | Delivery date & cost shown at checkout | |
![]() Grow It Depot 20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 8 Pleated Plus Carbon 1 Pack | $48.99 | Delivery date & cost shown at checkout | |
![]() furnacefilters.us 20x25x5 (4 3/8) Lennox X6673 X6675 Replacement Air Filters MERV 14 Plus Carbon 2 | $144.49 | Delivery date & cost shown at checkout | |
![]() furnacefilters.us 20x25x5 (4 3/8) Lennox X6673 X6675 Replacement MERV 12 Pleated Plus Carbon 2 | $82.99 | Delivery date & cost shown at checkout | |
![]() furnacefilters.us 20x25x5 (4 3/8) Lennox X6673 X6675 Replacement MERV 12 Pleated Plus Carbon 4 | $169.99 | Delivery date & cost shown at checkout | |
![]() furnacefilters.us 20x25x5 (4 3/8) Lennox X6673 X6675 Replacement MERV 15 Air Filters 1 | $72.99 | Delivery date & cost shown at checkout | |
![]() furnacefilters.us 20x25x5 (4 3/8) Lennox X6673 X6675 Replacement MERV 15 Air Filters 4 | $259.99 | Delivery date & cost shown at checkout | |
![]() furnacefilters.us 20x25x5 (4 3/8) Lennox X6673 X6675 Replacement MERV 8 Pleated Plus Carbon 1 | $45.99 | Delivery date & cost shown at checkout | |
![]() Amazon.com Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement AC Filter MERV 10 + Carbon 2 Pack | $53.99 | Delivery date & cost shown at checkout | |
![]() Amazon.com Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement AC Filter MERV 14 + Carbon 2 Pack | $141.60 | Delivery date & cost shown at checkout | |
![]() Amazon.com Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement AC Filter MERV 15 + Carbon 1 Pack | $79.99 | Delivery date & cost shown at checkout | |
![]() Amazon.com Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement AC Filter MERV 15 + Carbon 2 Pack | $159.69 | Delivery date & cost shown at checkout | |
![]() Amazon.com Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement Air Filter MERV 8 + Carbon 1 Pack | $45.99 | Delivery date & cost shown at checkout | |
![]() Amazon.com Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement Air Filter MERV 8 + Carbon 2 Pack | $81.99 | Delivery date & cost shown at checkout | |
![]() Amazon.com Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement MERV 12 Air Filter 2 Pack | $63.99 | Delivery date & cost shown at checkout | |
![]() Amazon.com Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement MERV 12 Pleated + Carbon 1 Pack | $47.99 | Delivery date & cost shown at checkout | |
![]() Amazon.com Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement MERV 12 Pleated + Carbon 2 Pack | $82.99 | Delivery date & cost shown at checkout | |
![]() Amazon.com Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filter 1 Pack | $72.99 | Delivery date & cost shown at checkout | |
![]() Amazon.com Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filters 2 Pack | $139.99 | Delivery date & cost shown at checkout | |
![]() Amazon.com Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filters 4 Pack | $257.84 | Delivery date & cost shown at checkout | |
- 144.49Walmart
20x25x5 (4 3/8) Lennox X6673_x6675 Replacement AC Filter Merv 14 + Carbon 2 Pack, Size: 20x25x5 LXRED, White
Delivery date & cost shown at checkout
- 79.99Walmart
20x25x5 (4 3/8) Lennox X6673_x6675 Replacement AC Filter Merv 15 + Carbon 1 Pack, Size: 20x25x5 LXRED, White
Delivery date & cost shown at checkout
- 94.77eBay
20"x25"x5" (19-3/4 X 24-3/4 X 4-3/8) Lennox X6673 X6675 Merv 14 +
Delivery date & cost shown at checkout
- 121.23eBay
20x25x5 (19_3/4 X 24_3/4 X 4_3/8) Lennox X6673_x6675 12 Pleated +
Delivery date & cost shown at checkout
- 106.69eBay
20x25x5 (19_3/4 X 24_3/4 X 4_3/8) Lennox X6673_x6675 15 Air Filter 1
Delivery date & cost shown at checkout
- 110.81eBay
20x25x5 (19_3/4 X 24_3/4 X 4_3/8) Lennox X6673_x6675 Replacement Merv
Delivery date & cost shown at checkout
- 40.99eBay
20x25x5 (4 3/8) Lennox X6673_x6675 Replacement Merv 12 Air Filter 1
Delivery date & cost shown at checkout
- 63.99eBay
20x25x5 (4 3/8) Lennox X6673_x6675 Replacement Merv 12 Air Filter 2
Delivery date & cost shown at checkout
- 47.99eBay
20x25x5 (4 3/8) Lennox X6673_x6675 Replacement Merv 12 Pleated +
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- 38.99eBay
20x25x5 (4 3/8) Lennox X6673_x6675 Replacement Merv 8 Air Filter 1
Delivery date & cost shown at checkout
- 194.99eBay
20x25x5 (4 3/8) Lennox X6673_x6675 Replacement Odor Reduction Merv 8
Delivery date & cost shown at checkout
- 76.39eBay
20x25x5 19_3/4 X 24_3/4 X 4_3/8 Lennox X6673_x6675 Merv 12 Air Filter
Delivery date & cost shown at checkout
- 153.90eBay
20x25x5 Air Filter X6673 X6675 Merv 15 | Merv 16
Delivery date & cost shown at checkout
- 120.00eBay
20x25x5 Air Filter X6673 X6675 Merv 15 | Merv 16 Plus Carbon For Odor
Delivery date & cost shown at checkout
- 99.99eBay
20x25x5 Merv 15 Pleated Lennox X6673_x6675 Replacement Ac Furnace A
Delivery date & cost shown at checkout
- 82.22eBay
Nordic Pure 20x25x5 (19_3/4 X 24_3/4 X 4_3/8) Lennox X6673_x6675
Delivery date & cost shown at checkout
- 153.99Grow It Depot
20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 14 Plus Carbon 2 Pack
Delivery date & cost shown at checkout
- 89.99Grow It Depot
20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 12 Pleated Plus Carbon 2 Pack
Delivery date & cost shown at checkout
- 178.99Grow It Depot
20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 12 Pleated Plus Carbon 4 Pack
Delivery date & cost shown at checkout
- 77.99Grow It Depot
20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filters 1 Pack
Delivery date & cost shown at checkout
- 273.99Grow It Depot
20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filters 4 Pack
Delivery date & cost shown at checkout
- 48.99Grow It Depot
20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 8 Pleated Plus Carbon 1 Pack
Delivery date & cost shown at checkout
- 144.49furnacefilters.us
20x25x5 (4 3/8) Lennox X6673 X6675 Replacement Air Filters MERV 14 Plus Carbon 2
Delivery date & cost shown at checkout
- 82.99furnacefilters.us
20x25x5 (4 3/8) Lennox X6673 X6675 Replacement MERV 12 Pleated Plus Carbon 2
Delivery date & cost shown at checkout
- 169.99furnacefilters.us
20x25x5 (4 3/8) Lennox X6673 X6675 Replacement MERV 12 Pleated Plus Carbon 4
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- 72.99furnacefilters.us
20x25x5 (4 3/8) Lennox X6673 X6675 Replacement MERV 15 Air Filters 1
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- 259.99furnacefilters.us
20x25x5 (4 3/8) Lennox X6673 X6675 Replacement MERV 15 Air Filters 4
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- 45.99furnacefilters.us
20x25x5 (4 3/8) Lennox X6673 X6675 Replacement MERV 8 Pleated Plus Carbon 1
Delivery date & cost shown at checkout
- 53.99Amazon.com
Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement AC Filter MERV 10 + Carbon 2 Pack
Delivery date & cost shown at checkout
- 141.60Amazon.com
Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement AC Filter MERV 14 + Carbon 2 Pack
Delivery date & cost shown at checkout
- 79.99Amazon.com
Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement AC Filter MERV 15 + Carbon 1 Pack
Delivery date & cost shown at checkout
- 159.69Amazon.com
Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement AC Filter MERV 15 + Carbon 2 Pack
Delivery date & cost shown at checkout
- 45.99Amazon.com
Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement Air Filter MERV 8 + Carbon 1 Pack
Delivery date & cost shown at checkout
- 81.99Amazon.com
Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement Air Filter MERV 8 + Carbon 2 Pack
Delivery date & cost shown at checkout
- 63.99Amazon.com
Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement MERV 12 Air Filter 2 Pack
Delivery date & cost shown at checkout
- 47.99Amazon.com
Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement MERV 12 Pleated + Carbon 1 Pack
Delivery date & cost shown at checkout
- 82.99Amazon.com
Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement MERV 12 Pleated + Carbon 2 Pack
Delivery date & cost shown at checkout
- 72.99Amazon.com
Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filter 1 Pack
Delivery date & cost shown at checkout
- 139.99Amazon.com
Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filters 2 Pack
Delivery date & cost shown at checkout
- 257.84Amazon.com
Nordic Pure 20x25x5 (19_3/4 x 24_3/4 x 4_3/8) Lennox X6673_X6675 Replacement MERV 15 Air Filters 4 Pack
Delivery date & cost shown at checkout
Product Details
Best Review
Customers find these air filters fit well in bottom return style boxes under air handlers. They provide good value for the price, with a quality filter that traps dust effectively. Many customers consider them heavy-duty and well-made. The filters function properly and improve air quality.AI-generated from the text of customer reviews
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