Hero image 0 of Filter 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", 0 of 5
Filter 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"
Key item features
- FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 18" x 24" x 1" - Actual Size: 17.5" x 23.5" 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.
Specs
- Air filter size18 x 24 x 1
- Minimum efficiency reporting values (merv)8
- BrandFilter King
- FeaturesPleated
- Thickness1"
- MaterialSynthetic Material
Current price is USD$37.76
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Sold and shipped by Filter King LLC
4.552147239263804 stars out of 5, based on 326 seller reviews(4.6)326 seller reviews
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About this item
Product details
Filter King Merv 8 18x24x1 4-Pack Air Filter actual size is 17.5x23.5x.75. Our 18x24x1 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 23-1/2 x 3/4
- FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 18" x 24" x 1" - Actual Size: 17.5" x 23.5" 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:
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Specifications
Air filter size
18 x 24 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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Showing 1-3 of 26 reviews
Nov 6, 2025
John M.
5 out of 5 stars review
Seller Verified Purchase
My new go-to filter company!
Great filter! Appropriate for the MERV rating. Dropped right into the channel on the furnace. Not like another manufacturer, where I had to wiggle them into place. So happy that I found these - I will be ordering more!
Review from filterking.com
Helpful?4T0IVXWUVH09689377162
Dec 17, 2025
Deborah S.
5 out of 5 stars review
Seller Verified Purchase
Life made easy
ordering made easy, shipment on time, priced sensibily
Review from filterking.com
Helpful?4T0IVXWUVH09689377162
Mar 5, 2026
Samuel N.
5 out of 5 stars review
Seller Verified Purchase
Good Value
Product was what was represented and the price was a good value.
Review from filterking.com
Helpful?4T0IVXWUVH09689377162
