![Filterbuy 20x25x4 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 24.38 x 3.63 Inches) - Replacement Furnace Filters - Amazon.com Filterbuy 20x25x4 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 24.38 x 3.63 Inches) - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/812KhhJAIvL._AC_UF894,1000_QL80_.jpg)
Filterbuy 20x25x4 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 24.38 x 3.63 Inches) - Replacement Furnace Filters - Amazon.com
![Tier1 20x25x4 Ultimate MERV 13 Air Filter/Furnace Filter Replacement 6 Pack - Air Purifiers - Amazon.com Tier1 20x25x4 Ultimate MERV 13 Air Filter/Furnace Filter Replacement 6 Pack - Air Purifiers - Amazon.com](https://m.media-amazon.com/images/I/71OmfiEqhkL._AC_UF894,1000_QL80_.jpg)
Tier1 20x25x4 Ultimate MERV 13 Air Filter/Furnace Filter Replacement 6 Pack - Air Purifiers - Amazon.com
![Filtrete 20x25x4 Air Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, 2 Filters - Amazon.com Filtrete 20x25x4 Air Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, 2 Filters - Amazon.com](https://m.media-amazon.com/images/I/81zbTPZGB2L._AC_UF894,1000_QL80_.jpg)
Filtrete 20x25x4 Air Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, 2 Filters - Amazon.com
![Amazon.com: Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack : Home & Kitchen Amazon.com: Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack : Home & Kitchen](https://m.media-amazon.com/images/I/61NZMSaSFEL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack : Home & Kitchen
![Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated MERV 10 Air Filters 2 Pack - Replacement Furnace Filters - Amazon.com Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated MERV 10 Air Filters 2 Pack - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/71E8n9U4iZL.jpg)
Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated MERV 10 Air Filters 2 Pack - Replacement Furnace Filters - Amazon.com
![Amazon.com: Accumulair Platinum 20x25x4 Air Filter - (19.5x24.5x3.75) MERV 11 Air Filter/Furnace Filters (6 pack) : Everything Else Amazon.com: Accumulair Platinum 20x25x4 Air Filter - (19.5x24.5x3.75) MERV 11 Air Filter/Furnace Filters (6 pack) : Everything Else](https://m.media-amazon.com/images/I/41Cc2shp9pL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Accumulair Platinum 20x25x4 Air Filter - (19.5x24.5x3.75) MERV 11 Air Filter/Furnace Filters (6 pack) : Everything Else
![Filtrete 20x25x4, AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack (Actual 19.88 x 24.63 x 4.31) - Amazon.com Filtrete 20x25x4, AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack (Actual 19.88 x 24.63 x 4.31) - Amazon.com](https://m.media-amazon.com/images/I/81D6toW90HL.jpg)
Filtrete 20x25x4, AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack (Actual 19.88 x 24.63 x 4.31) - Amazon.com
![Amazon.com: Honeywell Home 20x25x4 MERV 8, AC Furnace Air Filter, 3 PACK (CF100A1025-3PKAM) (Actual Dimensions: 19.94 x 24.87 x 4.38 in.) : Everything Else Amazon.com: Honeywell Home 20x25x4 MERV 8, AC Furnace Air Filter, 3 PACK (CF100A1025-3PKAM) (Actual Dimensions: 19.94 x 24.87 x 4.38 in.) : Everything Else](https://m.media-amazon.com/images/I/61gHP+q8QaS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Honeywell Home 20x25x4 MERV 8, AC Furnace Air Filter, 3 PACK (CF100A1025-3PKAM) (Actual Dimensions: 19.94 x 24.87 x 4.38 in.) : Everything Else
![Amazon.com: Filterbuy 20x25x4 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 24.38 x 3.63 Inches) : Tools & Home Improvement Amazon.com: Filterbuy 20x25x4 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 24.38 x 3.63 Inches) : Tools & Home Improvement](https://m.media-amazon.com/images/I/81XrqxE2SKL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Filterbuy 20x25x4 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 24.38 x 3.63 Inches) : Tools & Home Improvement
![Amazon.com: Honeywell Home 20x25x4 MERV 12, AC Furnace Air Filter, 3 PACK (CF200A1016-3PKAM) (Actual Dimensions: 18.84 x 24.75 x 4.38 in.) : Everything Else Amazon.com: Honeywell Home 20x25x4 MERV 12, AC Furnace Air Filter, 3 PACK (CF200A1016-3PKAM) (Actual Dimensions: 18.84 x 24.75 x 4.38 in.) : Everything Else](https://m.media-amazon.com/images/I/61A7d4NaYfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Honeywell Home 20x25x4 MERV 12, AC Furnace Air Filter, 3 PACK (CF200A1016-3PKAM) (Actual Dimensions: 18.84 x 24.75 x 4.38 in.) : Everything Else
![20x25x4 Air Filter MERV 10 by Glasfloss Industries Z-Line Series Pleated Filter (3-Pack) ZLP20254 - Made in USA - Amazon.com 20x25x4 Air Filter MERV 10 by Glasfloss Industries Z-Line Series Pleated Filter (3-Pack) ZLP20254 - Made in USA - Amazon.com](https://m.media-amazon.com/images/I/61JjcU5jVNL._AC_UF894,1000_QL80_.jpg)
20x25x4 Air Filter MERV 10 by Glasfloss Industries Z-Line Series Pleated Filter (3-Pack) ZLP20254 - Made in USA - Amazon.com
![AIRX FILTERS WICKED CLEAN AIR. 20x25x4 Air Filter MERV 11 Compatible with TopTech TT-FM-2025 Furnace Filter 2 Pack - Amazon.com AIRX FILTERS WICKED CLEAN AIR. 20x25x4 Air Filter MERV 11 Compatible with TopTech TT-FM-2025 Furnace Filter 2 Pack - Amazon.com](https://m.media-amazon.com/images/I/718uCGh7AiL._AC_UF894,1000_QL80_.jpg)
AIRX FILTERS WICKED CLEAN AIR. 20x25x4 Air Filter MERV 11 Compatible with TopTech TT-FM-2025 Furnace Filter 2 Pack - Amazon.com
![Honeywell 20x25x4 AC Furnace Air Filter, FC100A1037 Filter Replacement, Merv 11 Filter Media with Homequip Disposal Bag 1-Pack (Actual Size: 19.94 x 24.86 x 4.38 Inches) - Amazon.com Honeywell 20x25x4 AC Furnace Air Filter, FC100A1037 Filter Replacement, Merv 11 Filter Media with Homequip Disposal Bag 1-Pack (Actual Size: 19.94 x 24.86 x 4.38 Inches) - Amazon.com](https://m.media-amazon.com/images/I/71Bx+bXsyvL._AC_UF894,1000_QL80_.jpg)
Honeywell 20x25x4 AC Furnace Air Filter, FC100A1037 Filter Replacement, Merv 11 Filter Media with Homequip Disposal Bag 1-Pack (Actual Size: 19.94 x 24.86 x 4.38 Inches) - Amazon.com
![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 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](https://m.media-amazon.com/images/I/81DlZYQiKbL._AC_UF894,1000_QL80_.jpg)
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
![20x25x4 MERV 10 (FPR 5-6) 4" Inch Pleated Air Filters By Glasfloss. Box of 3. Actual Size: 19-1/2 x 24-1/2 x 3-3/4 - Amazon.com 20x25x4 MERV 10 (FPR 5-6) 4" Inch Pleated Air Filters By Glasfloss. Box of 3. Actual Size: 19-1/2 x 24-1/2 x 3-3/4 - Amazon.com](https://m.media-amazon.com/images/I/71ag9GYjiVL._AC_UF894,1000_QL80_.jpg)
20x25x4 MERV 10 (FPR 5-6) 4" Inch Pleated Air Filters By Glasfloss. Box of 3. Actual Size: 19-1/2 x 24-1/2 x 3-3/4 - Amazon.com
![Honeywell 20" X 25" X 4" FC200E1037 Air Filter Replacement - MERV 13: Faucet Cartridges: Amazon.com: Tools & Home Improvement Honeywell 20" X 25" X 4" FC200E1037 Air Filter Replacement - MERV 13: Faucet Cartridges: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/61CEr+HqvsL._AC_UF894,1000_QL80_.jpg)
Honeywell 20" X 25" X 4" FC200E1037 Air Filter Replacement - MERV 13: Faucet Cartridges: Amazon.com: Tools & Home Improvement
![AIRX FILTERS WICKED CLEAN AIR. 20x25x4 Air Filter Odor Eliminator Carbon Filter MERV 8 Compatible with Honewell FC100A1037 2 Pack - Amazon.com AIRX FILTERS WICKED CLEAN AIR. 20x25x4 Air Filter Odor Eliminator Carbon Filter MERV 8 Compatible with Honewell FC100A1037 2 Pack - Amazon.com](https://m.media-amazon.com/images/I/71p6pVDhRAL._AC_UF894,1000_QL80_.jpg)
AIRX FILTERS WICKED CLEAN AIR. 20x25x4 Air Filter Odor Eliminator Carbon Filter MERV 8 Compatible with Honewell FC100A1037 2 Pack - Amazon.com
![Filtrete 20x25x4 Air Filter, MPR 1550, MERV 12, Healthy Living Ultra Allergen Healthy Living 12-Month Deep-Pleated 4-Inch Air Filters, 4 Filters - Replacement Furnace Filters - Amazon.com Filtrete 20x25x4 Air Filter, MPR 1550, MERV 12, Healthy Living Ultra Allergen Healthy Living 12-Month Deep-Pleated 4-Inch Air Filters, 4 Filters - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/8137Wm8BBkL._AC_UF894,1000_QL80_.jpg)
Filtrete 20x25x4 Air Filter, MPR 1550, MERV 12, Healthy Living Ultra Allergen Healthy Living 12-Month Deep-Pleated 4-Inch Air Filters, 4 Filters - Replacement Furnace Filters - Amazon.com
![AIRX FILTERS WICKED CLEAN AIR. 20x25x4 Furnace Filter MERV 8 Compatible with Honeywell 20x25x4 Air Filter F200 1 Single Filter - Amazon.com AIRX FILTERS WICKED CLEAN AIR. 20x25x4 Furnace Filter MERV 8 Compatible with Honeywell 20x25x4 Air Filter F200 1 Single Filter - Amazon.com](https://m.media-amazon.com/images/I/61Y3y4TiRbL.jpg)
AIRX FILTERS WICKED CLEAN AIR. 20x25x4 Furnace Filter MERV 8 Compatible with Honeywell 20x25x4 Air Filter F200 1 Single Filter - Amazon.com
![Trion 272649-08-202 OEM-2 Air Filter 20x25x4 (2-Pack, MERV 8) Replacement Filter for Honeywell FC100A1037 / FC200E1037, Actual Size 19.83”x24.75”x4.375” - Amazon.com Trion 272649-08-202 OEM-2 Air Filter 20x25x4 (2-Pack, MERV 8) Replacement Filter for Honeywell FC100A1037 / FC200E1037, Actual Size 19.83”x24.75”x4.375” - Amazon.com](https://m.media-amazon.com/images/I/516JlRFnTWL._AC_UF894,1000_QL80_.jpg)
Trion 272649-08-202 OEM-2 Air Filter 20x25x4 (2-Pack, MERV 8) Replacement Filter for Honeywell FC100A1037 / FC200E1037, Actual Size 19.83”x24.75”x4.375” - Amazon.com
![Filterbuy 20x25x4 Air Filter MERV 11 Allergen Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 24.38 x 3.63 Inches) - Replacement Furnace Filters - Amazon.com Filterbuy 20x25x4 Air Filter MERV 11 Allergen Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 24.38 x 3.63 Inches) - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/71A7s9cV1KL._AC_UF894,1000_QL80_.jpg)
Filterbuy 20x25x4 Air Filter MERV 11 Allergen Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 24.38 x 3.63 Inches) - Replacement Furnace Filters - Amazon.com
![Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated MERV 13 Air Filters 2 Pack - Replacement Furnace Filters - Amazon.com Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated MERV 13 Air Filters 2 Pack - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/718DhbAcHWL._AC_UF1000,1000_QL80_.jpg)
Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated MERV 13 Air Filters 2 Pack - Replacement Furnace Filters - Amazon.com
![3M Allergen Reduction Air Filter 1550 [Set of 4] Size: 25" H x 20" W x 4" D - Replacement Furnace Filters - Amazon.com 3M Allergen Reduction Air Filter 1550 [Set of 4] Size: 25" H x 20" W x 4" D - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/814bIk3khmL._AC_UF894,1000_QL80_.jpg)
3M Allergen Reduction Air Filter 1550 [Set of 4] Size: 25" H x 20" W x 4" D - Replacement Furnace Filters - Amazon.com
![2 Pack Riverline Filter Replacement for AprilAire 213, Whole House Air Purifiers - MERV 13, 20x25x4 Air Filter - Amazon.com 2 Pack Riverline Filter Replacement for AprilAire 213, Whole House Air Purifiers - MERV 13, 20x25x4 Air Filter - Amazon.com](https://m.media-amazon.com/images/I/81ABnWpyt6L._AC_UF894,1000_QL80_.jpg)
2 Pack Riverline Filter Replacement for AprilAire 213, Whole House Air Purifiers - MERV 13, 20x25x4 Air Filter - Amazon.com
![Amazon.com: Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated MERV 15 Air Filters 2 Pack : Home & Kitchen Amazon.com: Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated MERV 15 Air Filters 2 Pack : Home & Kitchen](https://m.media-amazon.com/images/I/71NpP4RwxHL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated MERV 15 Air Filters 2 Pack : Home & Kitchen
![BNX TruFilter 20x25x4 (19.5'' x 24.5'' x 3.63'' Slim Fit) MERV 13 Air Filter (2-Pack) - MADE IN USA - Air Conditioner HVAC AC Furnace Filters Health, Allergies, Mold, Bacteria, Smoke, MPR 1900 FPR 10 - Amazon.com BNX TruFilter 20x25x4 (19.5'' x 24.5'' x 3.63'' Slim Fit) MERV 13 Air Filter (2-Pack) - MADE IN USA - Air Conditioner HVAC AC Furnace Filters Health, Allergies, Mold, Bacteria, Smoke, MPR 1900 FPR 10 - Amazon.com](https://m.media-amazon.com/images/I/81M8NBaRYDL._AC_UF894,1000_QL80_.jpg)