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Frost King

Frost King Air Conditioner Filters, 15 in. x24 in. x3/16 in. , Open Cell Foam

  • Based on 2,658 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Oct 19
Order within 11 hours and 54 minutes
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Color: Clear


Size: 15" x 24" x 3/16"


Features

  • Manufacturer: THERMWELL
  • Manufacturer Part Number: F1524
  • Frost King Washable Foam Air Filter For Air Conditioners, 24X15X1/4 In. - 471002
  • 15-Inch X 24-Inch X 1/4-Inch Air Conditioner Filter
  • Frameless Polyurethane Design
  • Helps Remove Dust, And Pollen From The Air For Allergy Relief
  • Lasts Up To 36 Months
  • Washable, And Reusable Product
  • 15-Inch X 24-Inch X 1/4-Inch Air Conditioner Filter
  • Frameless Polyurethane Design
  • Helps Remove Dust, And Pollen From The Air For Allergy Relief
  • Lasts Up To 36 Months
  • Washable, And Reusable Product

Description

15-Inch x 24-Inch x 1/4-Inch Air Conditioner Filter. Frameless polyurethane design and helps remove dust and pollen from the air for allergy relief. Lasts up to 36 months. Providing with long lasting effectiveness. Product is economical, being that it is both washable and reusable. From the Manufacturer 15-Inch x 24-Inch x 1/4-Inch Air Conditioner Filter. Frameless polyurethane design, and helps remove dust and pollen from the air for allergy relief. Lasts up to 36 months. Providing with long lasting effectiveness. Product is economical, being that it is both washable, and reusable. P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Manufacturer Contact Information See more

Brand: Frost King


Material: Foam (Polyurethane)


Product Dimensions: 24"L x 15"W x 1"Th


Compatible Devices: Air Conditioner


EU Spare Part Availability Duration: 36 months


Item Weight: 0.27 g


Filter Mounting Type: Slide In


Filter Shape: Rectangular


UPC:


Air Filter Construction: Pad/Roll


Compatible Devices: Air Conditioner


Filter Mounting Type: Slide In


Filter Shape: Rectangular


Product Grade: new or lightly used


Compatible Hvac Systems: residential


Common Applications: Appliances


Item Dimensions L x W x Thickness: 24"L x 15"W x 1"Th


Item Weight: 0.27 g


Unit Count: 1 Count


Material Type: Foam (Polyurethane)


Air Filter Construction: Pad/Roll


EU Spare Part Availability Duration: 36 months


Brand Name: Frost King


Model Number: F1524


UPC: 077578030517


Number of Items: 1


Manufacturer: Thermwell Products Co., Inc


Number of Packs: 1


Included Components: Frost King - F1524


Item Type Name: Frost King - F1524


Manufacturer Contact Information:


Manufacturer Part Number: F1524


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Oct 19

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Cheap, easy to cut, and works great without restricting airflow
Color: Clear Size: 15" x 24" x 3/16"
This foam filter works surprisingly well for how inexpensive it is. It’s very lightweight and easy to cut into custom shapes or sizes, which makes it useful for way more than just air conditioners. I’ve seen people use it for AC units, space heaters, gaming PCs, air purifiers, and other devices that need simple airflow filtration. One of the best things about it is that it doesn’t noticeably restrict airflow. Since the foam is thin and porous, air still moves through easily while helping catch larger dust, lint, hair, and debris before they get pulled into equipment. That balance between filtration and airflow works really well for applications where thicker filters would choke performance. Installation is extremely simple. You can cut it with regular scissors using an old filter as a template, and the material trims cleanly without crumbling apart. The sizing is generous too, so one sheet can often make multiple replacement filters depending on what you’re using it for. The foam material feels durable enough to wash and reuse several times before needing replacement. It’s flexible, lightweight, and holds up surprisingly well after cleaning. The open-cell foam design also makes it easy to rinse out trapped dust and lint. Fit obviously depends on what you’re cutting it for, but because it’s so customizable, it works well in odd-shaped or hard-to-find filter sizes where official replacements are expensive or unavailable. The only small downside is that it can retain fold lines from packaging initially, but those flatten out over time or once installed. Also, because it’s a thinner foam filter, it’s more for larger particles and airflow protection rather than super fine HEPA-style filtration. Overall though, this is an excellent value filter material that’s versatile, easy to work with, maintains strong airflow, and works great for custom filter replacements and DIY projects. ... show more
Reviewed in the United States on May 25, 2026 by Amazon Customer
    • frost. king air conditioner filter review
Color: Clear Size: 15" x 24" x 3/16"
cuts easily, works great, no. harsh chemicals, great value for the money, perfect air flow,
Reviewed in the United States on June 14, 2026 by Margaret Shaffer
    • Very good alternative filter
Color: Clear Size: 15" x 24" x 3/16"
I needed a lightweight and thin filter for my space heater. The original filter was too old and dirty. It was very easy to cut this filter to size to fit it into the back of the space heater to replace the old one. It is thin enough so that airflow doesn't get impeded while still able to trap small debris and dust. ... show more
Reviewed in the United States on December 31, 2025 by tranxhdr
    • Easy AC Filters at Low Cost
Color: Clear Size: 15" x 24" x 3/16"
Easy way to make your own air conditioner filter! Measure and cut and replace the old with an efficient filter at low cost!
Reviewed in the United States on July 26, 2026 by Michael Manicone
    • Cut to fit size requirement
Color: Clear Size: 15" x 24" x 3/16"
Perfect to use to replace the one in my vehicles ac system on the evaporator.
Reviewed in the United States on July 2, 2026 by Daniel Velasquez
    • Unbelievable handy product
Color: Clear Size: 15" x 24" x 3/16"
Easy to customize to any air conditioning setup you have meeting filters. I've even replaced actual Factory filters with these
Reviewed in the United States on August 2, 2026 by Steve Hunt
    • Works as it should
Color: Clear Size: 15" x 24" x 3/16"
I use these as a replacement foam filter for my GE Profile all in one washer dryer
Reviewed in the United States on July 31, 2026 by Carrie L
    • Cheap and works
Color: Clear Size: 15" x 24" x 3/16"
I bought this to make intake filters for my gaming pc. It worked so well that i also cut one to size and added it to my air purifier for an extra layer and it catches more dust than all of the other 3 filters.
Reviewed in the United States on February 23, 2026 by Jay G

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