Hero image 0 of Filter King 18x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75", 0 of 5
Filter King 18x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x .75"
Key item features
- FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 18" x 18" x 1" - Actual Size: 17.5" x 17.5" 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 18 x 1
- Minimum efficiency reporting values (merv)8
- Contaminants removedDust
- BrandFilter King
- FeaturesPleated
- Thickness0.75 in
Current price is USD$36.68
Price when purchased online
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Arrives by Mon, Jun 15
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Sold and shipped by Filter King LLC
4.547904191616767 stars out of 5, based on 334 seller reviews(4.5)334 seller reviews
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About this item
Product details
Filter King Merv 8 18x18x1 4-Pack Air Filter actual size is 17.5x17.5x.75. Our 18x18x1 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 17-1/2 x 3/4
- FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 18" x 18" x 1" - Actual Size: 17.5" x 17.5" 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.
Specifications
Air filter size
18 x 18 x 1
Minimum efficiency reporting values (merv)
8
Contaminants removed
Dust
Brand
Filter King
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 17 reviews
May 4, 2026
John U.
5 out of 5 stars review
Seller Verified Purchase
Work as Advertised
Great product. Great price. Easy to find what you need and order. Very professional andhelpful staff
Review from filterking.com
Helpful?5DMAY8ZD6YT0954760264
May 8, 2026
Mark A.
5 out of 5 stars review
Seller Verified Purchase
Great deal
Great product and does what I need for it to do to keep my HVAC system running proficiently and remove dust, pollen, etc.
Review from filterking.com
Helpful?5DMAY8ZD6YT0954760264
Apr 20, 2025
Debbie
5 out of 5 stars review
Verified Purchase
Three month AC filter
3month filters at a reasonable rate! Need I say more! They filter as well as a “national” brand! Do you need a filter that cleans your air or a filter with a national name! You decide!
Helpful?5DMAY8ZD6YT0954760264
