- $119.00and upAC Infinity AIR FILTER BOX w/ MERV 13 Filter - 6""Sylvane & 1 more
- $99.00and upAC Infinity Inline Filter Box 4" with High Efficacy Filter, Whole House HVAC Filtration Kit, Fits 4-Inch Inline Duct Fans for Fresh Air Intake and VentilationAmazon & 1 more
- $149.00and upAC Infinity Inline Filter Box 8" with High Efficacy Filter, Whole House HVAC Filtration Kit, Fits 8-Inch Inline Duct Fans for Fresh Air Intake and VentilationAmazon & 1 more
- $169.00AC Infinity AIR FILTER BOX w/ MERV 13 Filter - 10""Sylvane
- $49.96Filter King 25x32x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated AC Furnace Filter | Actual Size 24.5 x 31.5 x .75"Amazon
- $64.96Filter King 21x21x1A Carbon Air Filters | 4 Pack | Carbon MERV 8 HVAC Pleated AC Furnace Filter | Actual Size: 21 x 21 x .75"Amazon
- $95.98Filter King 22x22x1 Air Filter | 6-PACK | MERV 13 | HVAC Pleated AC Furnace Filters | MADE IN USA | Actual Size: 22 x 22 x .75"Amazon
- FREE SHIPPINGFurnace and AC Filters in All Sizes and Free Shipping Over $50 and Free Returns.Discount Filters・Sale
- $95.98Filter King 20x22x1 Air Filter | 6-PACK | MERV 13 | HVAC Pleated AC Furnace Filters | MADE IN USA | Actual Size: 20 x 22 x .75"Amazon
- $95.98Filter King 23x25x1 Air Filter | 6-PACK | MERV 13 | HVAC Pleated AC Furnace Filters | MADE IN USA | Actual Size: 23 x 25 x .75"Amazon
- $81.95Filters Fast 28x30x1 Air Filter MERV 11, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 27.5x29.5x0.75, 6 PackAmazon
- $170.03Filter King 30x36x1 Air Filter | 6-PACK | MERV 13 | HVAC Pleated AC Furnace Filters | MADE IN USA | Actual Size: 29.5 x 35.5x .75"Amazon
- $39.95Filters Fast 12x20x1 Air Filter MERV 8, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 11.75"x19.75x0.75, 6 PackAmazon
- $81.95Filters Fast 18x20x1 Air Filter MERV 11, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 17.75x19.75x0.75, 6 PackAmazon
- $39.95Filters Fast 12x18x1 Air Filter MERV 8, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 11.75"x17.75x0.75, 6 PackAmazon
- SALEUBeesize 14x25x1 Reusable Electrostatic Air Filter HVAC AC Furnace Filter,MERV 8, Washable, Lasts a Lifetime,Permanent Air Filter,Breathe Fresher,Home And Office(Actual Size:13.5x24.5x0.86 Inch)Amazon・Sale
- $238.99Filter King 22x37x1 Air Filter | 12-PACK | MERV 13 | HVAC Pleated AC Furnace Filters | MADE IN USA | Actual Size: 21.5 x 36.5 x .75"Amazon
- $97.34Filter King 15.5x29x1 Air Filter | 6-PACK | MERV 13 | HVAC Pleated AC Furnace Filters | MADE IN USA | Actual Size: 15.5 x 29 x .75"Amazon
- $62.51Filter King 25x25x1 Air Filter | 3-PACK | MERV 8 | HVAC Pleated AC Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75"Amazon
- $147.58Filter King 12x30.5x1 Air Filter | 6-PACK | MERV 13 | HVAC Pleated AC Furnace Filters | MADE IN USA | Actual Size: 12 x 30.5 x .75"Amazon
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- $45.95Filters Fast 18x20x1 Air Filter MERV 8, 1" AC Furnace Air Filters, Made in the USA, Actual Size: 17.75"x19.75”x0.75”, 6 PackAmazon
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- $81.59Bentism Filter Replacement, 16''x16'' AC Filter, 12pcs HVAC Pleated Air Filter, AC Furnace Filter Replacement Set, MERV 8, Good for Home, Commercial Capture Particles, Fit for Dri-Eaz DefendAir HEPAWalmart
- $159.00and upAC Infinity Air Carbon Filter 10" with Premium Australian Virgin Charcoal, for Inline Duct Fan, Odor Control, Hydroponics, Grow RoomsAmazon & 1 more
- $49.99and upAC Infinity Air Carbon Filter 4" with Premium Australian Virgin Charcoal, for Inline Duct Fan, Odor Control, Hydroponics, Grow RoomsAmazon & 1 more
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- $89.99and upAC Infinity Charcoal Carbon Filter for 8-in Duct FanSylvane & 1 more
- SALESave on Demiwise 16x25x1 Electrostatic Air Filter, MERV 8 Washable Aluminum AC/HVAC Furnace Filter, Reusable Permanent Air Filter, Lasts a Lifetime, Easy to Install, Healthier Home/Office Environment and moreAmazon・Sale
- $219.00and upAC Infinity Air Carbon Filter 12" with Premium Australian Virgin Charcoal, for Inline Duct Fan, Odor Control, Hydroponics, Grow RoomsAmazon & 1 more
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- $4.99and upAC-Safe EconomyPlus 15 in. W X 24 in. H X 1/4 in. D Polyester 17 MERV Air Conditioner Filter 1 pkAce Hardware & 1 more
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- SAVE $3.70$2.89$6.59AC Safe EconomyPlus 15 in. W x 24 in. H x 1/4 in. D Polyester Air Conditioner Filter-Total Qty, 1 Count (Pack of 1), Gray|GreyAmazon
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- SAVE $5.04$69.95$74.99AIRx Filters Allergy MERV 11 AC Furnace Pleated Air Filter Replacement Box of 6, 18x20x1 Air Filter / 18x20x1 furnace filter Made in the USAAmazon
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- SAVE $4.95$42.76$47.71Filtrete 20x30x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size19.81x29.81x0.81 in)Amazon
- $45.72Filtrete 16x25x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size15.69x24.69x0.81 in)Amazon
- $36.99Filtrete 10x20x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size9.81x19.81x0.81 in)Amazon
- SAVE $5.97$41.74$47.71Filtrete 20x24x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size19.81x23.81x0.81 in)Amazon
- $59.54AIRx Filters 16x25x5 MERV 13 HVAC AC Furnace Air Filter Replacement for Lennox X0583 X6670 X6672, Health 2-Pack, Made in the USAAmazon
- $67.95AIRx Filters 20x23x4 MERV 11 HVAC AC Furnace Air Filter Replacement for Bryant Carrier FILXXFNC0124 FAIC0024A, Allergy 2-Pack, Made in the USAAmazon
- $58.88AIRx Filters 20x25x5 MERV 11 HVAC AC Furnace Air Filter Replacement for Honeywell FC100A1037 FC35A1027 CF200A1016, Allergy 2-Pack, Made in the USAAmazon
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- $74.99AIRx Filters 20x25x5 MERV 11 HVAC AC Furnace Air Filter Replacement for Air Bear Trion 255649-102, Allergy 2-Pack, Made in the USAAmazon
- $76.20AIRx Filters 16x25x3 MERV 13 HVAC AC Furnace Air Filter Replacement for Lennox X0581 X5427, Health 3-Pack, Made in the USAAmazon
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- $79.99Honeywell 16x20x4 AC Furnace Air Filter Replacement - FC100A1003 HVAC Furnace Filters Merv 11 Filter Media, AC Filter with Homequip Disposal Bag, 2-Pack (Actual Size: 15.94 x 19.75 x 4.38 Inches)Amazon
- $46.99Honeywell 20x20x4 AC Furnace Air Filter Replacement - FC100A1011 HVAC Furnace Filters with Merv 11 Filter Media, AC Filter with Homequip Disposal Bag 1-Pack (Actual Size: 19.94 x 19.75 x 4.38 Inches)Amazon
- $66.28Replacement HEPA Filter for AC-2102 & AC-9966Newegg
- $35.0312x24x1 Air Filter MERV 8 Air Conditioner HVAC AC Furnace Filters (Actual Size 11.5 x 23.5) (4-Pack)Amazon
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- $35.0312x24x1 Air Filter MERV 8 Air Conditioner HVAC AC Furnace Filters (Actual Size 11.75 x 23.75) (4-Pack)Amazon
- $45.9020x24x1 Air Filter MERV 11 Air Conditioner HVAC AC Furnace Filters (Actual Size 19.75 x 23.75) (6-Pack)Amazon
- $39.9618x18x1 Air Filter MERV 8 Air Conditioner HVAC AC Furnace Filters (Actual Size 17.75x17.75) (4-Pack)Amazon
- $48.80and upAerostar 14x14x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 13 3/4"x13 3/4"x3/4")Amazon & 1 more