4 Inch Filter(420)
Uses item details. Price when purchased online
Aerostar 20x26x4 MERV 13 Deep Pleat Air Filter, AC Furnace HVAC $51.00 $51.00/count
Sponsored
$5100
current price $51.00$51.00/count
Aerostar 20x26x4 MERV 13 Deep Pleat Air Filter, AC Furnace HVAC
283.9 out of 5 Stars. 28 reviews
Aerostar 24x24x4 MERV 11 Air Filter, Pleated AC Furnace HVAC, Pet Dander Mold Smoke, 1 Pack From $47.00
Sponsored
From$4700
Aerostar 24x24x4 MERV 11 Air Filter, Pleated AC Furnace HVAC, Pet Dander Mold Smoke, 1 Pack
43.5 out of 5 Stars. 4 reviews
6 Pack of 20x25x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-1/2 x 24-1/2 x 3-3/4 $89.95
Sponsored
$8995
current price $89.956 Pack of 20x25x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-1/2 x 24-1/2 x 3-3/4
304.4 out of 5 Stars. 30 reviews
6 Pack of 20x20x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-1/2 x 19-1/2 x 3-3/4 $79.95
Sponsored
$7995
current price $79.956 Pack of 20x20x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-1/2 x 19-1/2 x 3-3/4
55 out of 5 Stars. 5 reviews
Best seller Filtrete 16x25x4 HVAC Furnace Air Filter, MPR 1550 MERV 12, Allergens, Bacteria & Viruses, 1 Filter $30.99
Best seller
$3099
current price $30.99Filtrete 16x25x4 HVAC Furnace Air Filter, MPR 1550 MERV 12, Allergens, Bacteria & Viruses, 1 Filter
6134.5 out of 5 Stars. 613 reviews
Dust Control Furnace AC Register Air Vent Filters 4" x 10", 24 Pack $17.99
$1799
current price $17.99Dust Control Furnace AC Register Air Vent Filters 4" x 10", 24 Pack
884.4 out of 5 Stars. 88 reviews
100+ bought since yesterday Filtrete 20x25x4 Air Filter, MPR 1550 MERV 12, Ultra Allergen Reduction, 1 Filter $33.88
100+ bought since yesterday
$3388
current price $33.88Filtrete 20x25x4 Air Filter, MPR 1550 MERV 12, Ultra Allergen Reduction, 1 Filter
11364.6 out of 5 Stars. 1136 reviews
Filtrete 16x25x4 HVAC Furnace Air Filter, MPR 1550 MERV 12, Allergens, Bacteria & Viruses, 1 Filter $30.00 Was $52.88
Now$3000
current price Now $30.00, Was $52.88$52.88
Filtrete 16x25x4 HVAC Furnace Air Filter, MPR 1550 MERV 12, Allergens, Bacteria & Viruses, 1 Filter
6164.7 out of 5 Stars. 616 reviews
Best seller Filtrete 20x25x4 Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters From $38.34
Best seller
2 options
Available in additional 2 optionsFrom$3834
Filtrete 20x25x4 Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters
5974.6 out of 5 Stars. 597 reviews
Best seller Filtrete 16x25x4 Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter From $15.29
Best seller
2 options
Available in additional 2 optionsFrom$1529
Filtrete 16x25x4 Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
6904.5 out of 5 Stars. 690 reviews
6 Pack of 16x25x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 24-1/2 x 3-3/4 $79.95
Sponsored
$7995
current price $79.956 Pack of 16x25x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 24-1/2 x 3-3/4
474.5 out of 5 Stars. 47 reviews
6 Pack of 20x24x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-3/8 x 23-3/8 x 3-3/4 $91.89
Sponsored
$9189
current price $91.896 Pack of 20x24x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-3/8 x 23-3/8 x 3-3/4
15 out of 5 Stars. 1 reviews
2 Pack of 20x24x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-3/8 x 23-3/8 x 3-3/4 $42.95
$4295
current price $42.952 Pack of 20x24x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-3/8 x 23-3/8 x 3-3/4
144.8 out of 5 Stars. 14 reviews
VIVOSUN 4 In Air Carbon Filter Odor Control,Reversible Flange 4"x14"for Inline Fan,Tent $39.99
$3999
current price $39.99VIVOSUN 4 In Air Carbon Filter Odor Control,Reversible Flange 4"x14"for Inline Fan,Tent
3544.7 out of 5 Stars. 354 reviews
Filtrete 20x25x4 HVAC Furnace Air Filter, MPR 1550 MERV 12, Allergens, Bacteria & Viruses, 1 Filter $50.00 $25.00/ea
$5000
current price $50.00$25.00/ea
Filtrete 20x25x4 HVAC Furnace Air Filter, MPR 1550 MERV 12, Allergens, Bacteria & Viruses, 1 Filter
4284.7 out of 5 Stars. 428 reviews
Honeywell FC100A1037 (2-Pack) - 20" x 25" x 4" Pleated Air Filter, MERV 11 $70.34
$7034
current price $70.34Honeywell FC100A1037 (2-Pack) - 20" x 25" x 4" Pleated Air Filter, MERV 11
294.5 out of 5 Stars. 29 reviews
16x24x4 MERV 8 ( MPR 600, FPR 5-6 ) 4" Air Filters for AC & Furnace. 2 Pack. Exact Size: 15-1/2 x 23-1/2 x 3-3/4 $42.95
$4295
current price $42.9516x24x4 MERV 8 ( MPR 600, FPR 5-6 ) 4" Air Filters for AC & Furnace. 2 Pack. Exact Size: 15-1/2 x 23-1/2 x 3-3/4
64.3 out of 5 Stars. 6 reviews
2 Pack of 18x24x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 17-1/2 x 23-1/2 x 3-3/4 $42.95
$4295
current price $42.952 Pack of 18x24x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 17-1/2 x 23-1/2 x 3-3/4
25 out of 5 Stars. 2 reviews
2 Pack of 24x24x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 23-3/8 x 23-3/8 x 3-3/4 $44.95
$4495
current price $44.952 Pack of 24x24x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 23-3/8 x 23-3/8 x 3-3/4
15 out of 5 Stars. 1 reviews
16x25x4 MERV 8 AC Furnace 4" Inch Air Filter. 6 PACK. (Actual Depth: 3-3/4") $79.95
$7995
current price $79.9516x25x4 MERV 8 AC Furnace 4" Inch Air Filter. 6 PACK. (Actual Depth: 3-3/4")
94.2 out of 5 Stars. 9 reviews
Mann+Hummel 20x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 19.5 x 24.5 x 3.75 Inches) $40.95
Sponsored
$4095
current price $40.95Mann+Hummel 20x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 19.5 x 24.5 x 3.75 Inches)
53.2 out of 5 Stars. 5 reviews
Mann+Hummel 20x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 3 Pack. (Exact Size: 19.5 x 24.5 x 3.75 Inches) $51.95
Sponsored
$5195
current price $51.95Mann+Hummel 20x25x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 3 Pack. (Exact Size: 19.5 x 24.5 x 3.75 Inches)
234.8 out of 5 Stars. 23 reviews
4" x 10 Activated Carbon Air Vent Filters for Home Floor Vent Filters, Charcoal Vent Filter, AC Vent Filter, Floor Register Filters, Home Vent Filters Register, Dust Control Home (20Pcs) $14.99
$1499
current price $14.994" x 10 Activated Carbon Air Vent Filters for Home Floor Vent Filters, Charcoal Vent Filter, AC Vent Filter, Floor Register Filters, Home Vent Filters Register, Dust Control Home (20Pcs)
84.5 out of 5 Stars. 8 reviews
Clearance Filtrete 16x20x4 HVAC Furnace Air Filter, MPR 1900 MERV 13, Premium Allergen, Bacteria & Virus, 2 Pack $20.00 Was $39.99 $10.00/ea
Clearance
Now$2000
current price Now $20.00, Was $39.99$39.99
$10.00/ea
Filtrete 16x20x4 HVAC Furnace Air Filter, MPR 1900 MERV 13, Premium Allergen, Bacteria & Virus, 2 Pack
694.7 out of 5 Stars. 69 reviews
Filtrete 16x25x4 HVAC Furnace Air Filter, MPR 1550 MERV 12, Allergens, Bacteria & Viruses, 1 Filter $35.64
$3564
current price $35.64Filtrete 16x25x4 HVAC Furnace Air Filter, MPR 1550 MERV 12, Allergens, Bacteria & Viruses, 1 Filter
2444.6 out of 5 Stars. 244 reviews
2 Pack of 16x25x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 24-1/2 x 3-3/4 $41.87
$4187
current price $41.872 Pack of 16x25x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 24-1/2 x 3-3/4
554.4 out of 5 Stars. 55 reviews
Filtrete 20x20x4 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergens & Pet Dander, 2 Pack $47.99 $24.00/ea
$4799
current price $47.99$24.00/ea
Filtrete 20x20x4 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergens & Pet Dander, 2 Pack
4174.6 out of 5 Stars. 417 reviews
2 Pack of 16x25x4 MERV 13 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 24-1/2 x 3-3/4 $56.95
$5695
current price $56.952 Pack of 16x25x4 MERV 13 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 24-1/2 x 3-3/4
94.9 out of 5 Stars. 9 reviews
3M Filtrate Ultra Allergen Reduction Filter Slim Fit 20" x 25" x 4", 2-Pack $47.99
$4799
current price $47.993M Filtrate Ultra Allergen Reduction Filter Slim Fit 20" x 25" x 4", 2-Pack
2684.6 out of 5 Stars. 268 reviews
2 Pack of 16x20x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 19-1/2 x 3-3/4 $41.87
$4187
current price $41.872 Pack of 16x20x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 19-1/2 x 3-3/4
414.6 out of 5 Stars. 41 reviews
Mann+Hummel 20x20x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 19.5 x 19.5 x 3.75 Inches) $40.95
Sponsored
$4095
current price $40.95Mann+Hummel 20x20x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 19.5 x 19.5 x 3.75 Inches)
25 out of 5 Stars. 2 reviews
Mann+Hummel 20x24x4 MERV 8 Pleated HVAC AC Furnace Air Filters. Box of 4. (Exact Size: 19.38 x 23.38 x 3.75 Inches) $65.95
Sponsored
$6595
current price $65.95Mann+Hummel 20x24x4 MERV 8 Pleated HVAC AC Furnace Air Filters. Box of 4. (Exact Size: 19.38 x 23.38 x 3.75 Inches)
Pelano 16x25x4 HVAC Furnace Air Filter, MERV 11 Filters, Foldable Design, Actual Size: 15.55x24.44x 3.62-2PACK $37.39
$3739
current price $37.39Pelano 16x25x4 HVAC Furnace Air Filter, MERV 11 Filters, Foldable Design, Actual Size: 15.55x24.44x 3.62-2PACK
84.6 out of 5 Stars. 8 reviews
3M COMPANY NADP01-4IN-4 Ultra Allergen Filter, 1 Count Pack of 1 Residential Use, Standard Application $34.21
$3421
current price $34.213M COMPANY NADP01-4IN-4 Ultra Allergen Filter, 1 Count Pack of 1 Residential Use, Standard Application
Carrier & Bryant FILXUMC082425 - 24" x 25" x 4" Pleated Air Filter, MERV 8 replaces old part # FILXXCAR0024 $64.10
$6410
current price $64.10Carrier & Bryant FILXUMC082425 - 24" x 25" x 4" Pleated Air Filter, MERV 8 replaces old part # FILXXCAR0024
Filtrete 16x20x4 HVAC Furnace Air Filter, MPR 1550 MERV 12, Ultra Allergen Reduction, 1 Filter $56.68
$5668
current price $56.68Filtrete 16x20x4 HVAC Furnace Air Filter, MPR 1550 MERV 12, Ultra Allergen Reduction, 1 Filter
1914.5 out of 5 Stars. 191 reviews
AC Infinity Air Carbon Filter 4", with Premium Australian Virgin Charcoal, Fit with Inline Duct Fans for Odor Control in Grow Tents, Grow Rooms, and Hydroponics Systems $49.99
$4999
current price $49.99AC Infinity Air Carbon Filter 4", with Premium Australian Virgin Charcoal, Fit with Inline Duct Fans for Odor Control in Grow Tents, Grow Rooms, and Hydroponics Systems
94.9 out of 5 Stars. 9 reviews
2 Pack of 20x25x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-1/2 x 24-1/2 x 3-3/4 $41.87
$4187
current price $41.872 Pack of 20x25x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 19-1/2 x 24-1/2 x 3-3/4
884.4 out of 5 Stars. 88 reviews
2 Pack of 16x24x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 23-1/2 x 3-3/4 $41.87
$4187
current price $41.872 Pack of 16x24x4 MERV 10 Pleated 4" Inch Air Filters by Glasfloss. Actual Size: 15-1/2 x 23-1/2 x 3-3/4
54.6 out of 5 Stars. 5 reviews
GrowBright Double Layer 4 Inch Duct Filter $8.79
$879
current price $8.79GrowBright Double Layer 4 Inch Duct Filter
Top rated for durability Filtrete 16x25x4 Replacement Air Filters, MPR 1000 MERV 11, Allergen Defense, 2 Pack $30.99 $15.50/ea
Top rated for durability
$3099
current price $30.99$15.50/ea
Filtrete 16x25x4 Replacement Air Filters, MPR 1000 MERV 11, Allergen Defense, 2 Pack
1444.7 out of 5 Stars. 144 reviews
3M Ultra Allergen Filter NADP03-4IN-4 - Washable, Residential - 1 Count, 4" x 20" x 25" $38.34
$3834
current price $38.343M Ultra Allergen Filter NADP03-4IN-4 - Washable, Residential - 1 Count, 4" x 20" x 25"
Pure Carbon Air Vent Filters 4x12 (Register Vent Filters) 1 Pack of 12
Pure Carbon Air Vent Filters 4x12 (Register Vent Filters) 1 Pack of 12
174.4 out of 5 Stars. 17 reviews
Air Duct Screen and Carbon Filter for 4 Inch Ducts; Atomic Innovations
2 options
Available in additional 2 optionsAir Duct Screen and Carbon Filter for 4 Inch Ducts; Atomic Innovations
14 out of 5 Stars. 1 reviews
Filtrete 16x25x4 Air Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, Pack of 2, White From $46.77
From$4677
Filtrete 16x25x4 Air Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, Pack of 2, White
3484.7 out of 5 Stars. 348 reviews
Filter King 4x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 4 x .75" $56.64
$5664
current price $56.64Filter King 4x4x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 4 x 4 x .75"
25 out of 5 Stars. 2 reviews
Filtrete 16x25x4 HVAC Furnace Air Filter, MPR 1900 MERV 13, Premium Allergen, Bacteria & Virus, 2 Pack $41.54 Was $69.24 $20.77/ea
Now$4154
current price Now $41.54, Was $69.24$69.24
$20.77/ea
Filtrete 16x25x4 HVAC Furnace Air Filter, MPR 1900 MERV 13, Premium Allergen, Bacteria & Virus, 2 Pack
644.9 out of 5 Stars. 64 reviews
Heating, Cooling & Air Honeywell - FC100A1037 Pleated Filter 20" x 25" x 4" MERV 11 $44.88
$4488
current price $44.88Heating, Cooling & Air Honeywell - FC100A1037 Pleated Filter 20" x 25" x 4" MERV 11
114.6 out of 5 Stars. 11 reviews
Filterbuy 14x25x4 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 1-Pack $45.99
$4599
current price $45.99Filterbuy 14x25x4 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 1-Pack
344.7 out of 5 Stars. 34 reviews
Filterbuy 16x20x4 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack $49.98 $12.50/in
$4998
current price $49.98$12.50/in
Filterbuy 16x20x4 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack
4094.6 out of 5 Stars. 409 reviews
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