Hero image 0 of Filter King 18x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75", 0 of 5
Filter King 18x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75"
Key item features
- Filter Specifications: This 4-pack of MERV 8 rated air conditioner filters measures 18" x 20" x 1", with an actual size of 17.5" x 19.5" x .75".
- Extended Lifespan: Designed to last up to 90 days, these 1-inch filters are recommended for replacement every 30 to 90 days to maintain the longevity of HVAC systems.
- Enhanced Filtration: The pleated design effectively captures more airborne particles without compromising airflow, contributing to a noticeable difference in air quality within 48 hours.
- Simple Installation: These replacement air filters offer a straightforward installation process, requiring users to simply open, slide, and close.
- System Efficiency: Ideal for maintaining the efficiency of both heating and cooling systems, these pleated filters are crucial for optimal home air quality.
Generated by AI
Specs
- Air filter size18 x 20 x 1
- Minimum efficiency reporting values (merv)8
- BrandFilter King
- FeaturesPleated
- Thickness1"
- MaterialPlastic
Current price is USD$33.20
Price when purchased online
- Free shipping
Free 30-day returns
Include a special request
How do you want your item?
Columbus, 43215
Arrives by Mon, Mar 2
|
Sold and shipped by Filter King LLC
4.539735099337748 stars out of 5, based on 302 seller reviews(4.5)302 seller reviews
Free 30-day returns
About this item
Product details
Filter King Merv 8 18x20x1 4-Pack Air Filter actual size is 17.5x19.5x.75. Our 18x20x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling systems. Make sure you measure your filter. The actual size of this pleated Merv 8 filter is 17-1/2 x 19-1/2 x 3/4
- FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 18" x 20" x 1" - Actual Size: 17.5" x 19.5" x .75"
- MAX PERFORMANCE: Our filters can last up to 90 DAYS before needing replacement. We do recommend to change your home air filter every 30 - 90 days for 1 inch filters. This will help maintain the longevity of the intended application like A/C and heaters
- CAPTURE MORE: Protect your home! The pleated design captures more particles and extends lifetime of the filter. Merv Filters trap airborne particles without impacting air flow. Feel the difference in 48 hours.
- FAST & EASY INSTALLATION: Open, Slide and Close! A simple yet effective replacement air filter for your home.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Â
Specifications
Air filter size
18 x 20 x 1
Minimum efficiency reporting values (merv)
8
Brand
Filter King
Features
Pleated
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Similar items you might like
Based on what customers bought
Filter King 18x20x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75" $28.34
$2834current price $28.34Filter King 18x20x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75"
284.7 out of 5 Stars. 28 reviewsFilter King 18x20x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75" $39.00
$3900current price $39.00Filter King 18x20x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75"
304.7 out of 5 Stars. 30 reviewsFilter King 18x20x1 Air Filter | 6-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75" $52.44
$5244current price $52.44Filter King 18x20x1 Air Filter | 6-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75"
264.7 out of 5 Stars. 26 reviews50+ bought since yesterday Filtrete 18x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
50+ bought since yesterday
$564current price $5.64Filtrete 18x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
3904.5 out of 5 Stars. 390 reviewsFilterbuy 18x20x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (6-Pack) $39.96 Was $51.95
$3996current price $39.96, Was $51.95$51.95Filterbuy 18x20x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (6-Pack)
554.6 out of 5 Stars. 55 reviewsFilter King 18x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23.5 x .75" $35.96
$3596current price $35.96Filter King 18x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23.5 x .75"
284.6 out of 5 Stars. 28 reviewsFilter King 16x25x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 24.5 x .75" $38.84
$3884current price $38.84Filter King 16x25x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 24.5 x .75"
1134.8 out of 5 Stars. 113 reviewsFilter King 10x10x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 9.5 x 1.75" $42.04
$4204current price $42.04Filter King 10x10x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 9.5 x 9.5 x 1.75"
45 out of 5 Stars. 4 reviewsFilter King 21x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75" $36.60
$3660current price $36.60Filter King 21x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20.5 x 20.5 x .75"
64.7 out of 5 Stars. 6 reviewsFilter King 24x24x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23.5 x .75" $35.70
$3570current price $35.70Filter King 24x24x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 23.5 x .75"
204.9 out of 5 Stars. 20 reviewsFilter King 14x25x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 24.5 x .75" $36.51
$3651current price $36.51Filter King 14x25x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 24.5 x .75"
204.5 out of 5 Stars. 20 reviewsFilter King 18x24x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23.5 x .75" $28.50
$2850current price $28.50Filter King 18x24x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 23.5 x .75"
254.6 out of 5 Stars. 25 reviewsFilter King 14x24x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 23.5 x .75" $37.98
$3798current price $37.98Filter King 14x24x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 23.5 x .75"
64.5 out of 5 Stars. 6 reviewsFilter King 12x24x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.75 x 23.75 x 1.75" $43.52
$4352current price $43.52Filter King 12x24x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.75 x 23.75 x 1.75"
24.5 out of 5 Stars. 2 reviewsFilter King 14x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 19.5 x .75" $37.44
$3744current price $37.44Filter King 14x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 13.5 x 19.5 x .75"
Filter King 16x25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 24.5 x .75" $39.54
$3954current price $39.54Filter King 16x25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 24.5 x .75"
25 out of 5 Stars. 2 reviewsFiltrete 18x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack $43.98 $11.00/ea
$4398current price $43.98$11.00/eaFiltrete 18x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack
5374.7 out of 5 Stars. 537 reviewsFilter King 24x30x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29.5 x .75" $33.60
$3360current price $33.60Filter King 24x30x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23.5 x 29.5 x .75"
284.6 out of 5 Stars. 28 reviewsFilter King 18x20x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75" $31.50
$3150current price $31.50Filter King 18x20x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 19.5 x .75"
414.6 out of 5 Stars. 41 reviewsFilter King 16x20x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x .75" $24.96
$2496current price $24.96Filter King 16x20x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x .75"
1274.7 out of 5 Stars. 127 reviews
Check out these related products
Filter King 21.5x23.25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 23.25 x .75" $49.32
$4932current price $49.32Filter King 21.5x23.25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 23.25 x .75"
64.7 out of 5 Stars. 6 reviewsFilter King 8x36x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 35.5 x .75" $53.84
$5384current price $53.84Filter King 8x36x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 7.5 x 35.5 x .75"
74.7 out of 5 Stars. 7 reviewsFilter King 25x25x1n Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.75 x 24.75 x .75" $64.64
$6464current price $64.64Filter King 25x25x1n Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.75 x 24.75 x .75"
65 out of 5 Stars. 6 reviewsFiltrete 14x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack $43.98 $11.00/ea
$4398current price $43.98$11.00/eaFiltrete 14x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack
5304.7 out of 5 Stars. 530 reviewsFiltrete 20x22x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 6 Pack $74.83 $12.47/ea
$7483current price $74.83$12.47/eaFiltrete 20x22x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 6 Pack
5104.7 out of 5 Stars. 510 reviewsFiltrete 16x16x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 6 Pack $49.13
$4913current price $49.13Filtrete 16x16x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 6 Pack
5124.7 out of 5 Stars. 512 reviewsFiltrete 10x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack $41.63 $10.41/ea
$4163current price $41.63$10.41/eaFiltrete 10x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack
5234.7 out of 5 Stars. 523 reviewsFilterbuy 20x27x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (5-Pack) $101.95
$10195current price $101.95Filterbuy 20x27x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (5-Pack)
Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 2200 MERV 13, Elite Allergen Reduction, 4 Pack $79.99
$7999current price $79.99Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 2200 MERV 13, Elite Allergen Reduction, 4 Pack
2834.7 out of 5 Stars. 283 reviewsFiltrete 20x20x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 6 Filters $82.74 Was $92.64
$8274current price $82.74, Was $92.64$92.64Filtrete 20x20x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 6 Filters
4574.8 out of 5 Stars. 457 reviewsFiltrete 20x20x1 HVAC Furnace Air Filter, MPR 1900 MERV 13, Ultimate Allergen Reduction, 4 Pack $83.81 $20.95/ea
$8381current price $83.81$20.95/eaFiltrete 20x20x1 HVAC Furnace Air Filter, MPR 1900 MERV 13, Ultimate Allergen Reduction, 4 Pack
6514.8 out of 5 Stars. 651 reviewsFiltrete by 3M, 14x20x1, Elite Allergen Reduction HVAC Furnace Air Filter, 2200 MPR, 1 Filter $25.00
5 optionsAvailable in additional 5 options$2500current price $25.00Filtrete by 3M, 14x20x1, Elite Allergen Reduction HVAC Furnace Air Filter, 2200 MPR, 1 Filter
3124.6 out of 5 Stars. 312 reviewsFiltrete 16x25x1 HVAC Furnace Air Filter, MPR 1900 MERV 13, Ultimate Allergen Reduction, 1 Filter $31.00
$3100current price $31.00Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 1900 MERV 13, Ultimate Allergen Reduction, 1 Filter
6484.8 out of 5 Stars. 648 reviews
Customer ratings & reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |
Showing 1-3 of 29 reviews
Jan 15, 2025
Lonnie S.
5 out of 5 stars review
Seller Verified Purchase
Great company!
Excellent customer service. . worked with me to get the correct size for my new installation. Replaced the wrong sizes at no cost. Great company.
Review from filterking.com
Helpful?4XUMIJH83KIE863252690
Feb 15, 2025
Rodney A.
5 out of 5 stars review
Seller Verified Purchase
Filters
Great price and fit well other than 1in a little more than my furnace calls for. Made them work.
Review from filterking.com
Helpful?4XUMIJH83KIE863252690
Sep 14, 2025
Chris B.
5 out of 5 stars review
Seller Verified Purchase
Nice fit works well. . has anyone
Nice fit works well. . has anyone come up with scented filters yet!
Review from filterking.com
Helpful?4XUMIJH83KIE863252690
