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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
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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.
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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.
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Customer ratings & reviews
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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
