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Frost King 15 x 24 x 1 Washable MERV Cut to Fit Air Filter

Name: Frost King 15 x 24 x 1 Washable MERV Cut to Fit Air Filter
Brand: Frost King
SKU: 1196229
Price: 4.49 USD
Availability: InStock
Rating: 4.6 (116 reviews)

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4.6

116

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Frost King® air filter is made from open-cell, polyurethane foam. It helps keep dust and pollen out of your home. With regular scissors, you can easily cut it to any size to fit your AC window unit. This easy-to-install filter is washable and reusable for lasting use. Clean filter by rinsing with soap and water and air drying before putting it back into the window AC unit.

Helps removes dust and pollen from the air
Washable and reusable
Cut-to-fit deign accommodates any size window AC unit
Easily cuts with regular household scissors
Easy to install

General
Material	Foam	Filter Type	Cut to fit
Package Quantity	1	Air Filter Longevity (Months)	12

Dimensions
Common Width (Inches)	15	Actual Length (Inches)	24
Common Length (Inches)	24	Actual Width (Inches)	15
Common Thickness (Inches)	0.1875	Actual Thickness (Inches)	0.1875
Common Size (W x L x T)	15 x 24 x 1

Features
MERV Rating	0	Captures Pet Dander	Yes
MPR Rating	0	Captures Pollen	Yes
Commercial/Residential	Residential	Captures Smog	No
Captures Bacteria	No	Captures Smoke	No
Captures Debris and Lint	Yes	Captures Mold Spores	Yes
Captures Dust Mite Debris	Yes	Filter Efficiency (Percentage)	90
Captures Household Dust	Yes	Captures Particles that Carry Viruses	No
Captures Particles that Carry Odor	No	Washable	Yes

Compatibility
Works with Air Conditioners	Yes	Wi-Fi Compatibility	No
Works with iOS	No	App Compatibility	No
Works with Android	No	Bluetooth Compatibility	No

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -

Warranty
Warranty	1-year limited

Miscellaneous
UNSPSC	40101700

Check out the Best Selling Air Filters on Lowes.com

Review

4.6 out of 5

116 Reviews

92% Recommend this product

Ratings may include incentivized customer reviews.

Read All Reviews

What Customers Are Saying

Customers overwhelmingly praise this material for its durability, versatility, and exceptional value. Most highlight how easily it cuts to custom sizes, allowing multiple filters from a single package and perfect fits for various applications beyond standard units, including mini-split systems and DIY projects. Reviewers consistently emphasize the abundant material and significant cost savings compared to replacement filters. Many appreciate the ease of customization without professional help. A few note the material is thinner than expected, though this rarely affects functionality. Overall, customers consider it an indispensable, cost-effective household solution.

Customer review summary generated by AI, including incentivized reviews.

116 Customer Reviews

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Great filter

Would Recommend

Within 5 minutes of putting this on the front of my window air conditioner I could visually see the dust buildup while it was filtering the air out of my room.

ImpressedSeptember 28, 2026
Verified Purchaser

Was this Review Helpful ?

Works like a dream

Would Recommend

Fit perfectly on the side of a window fan to filter out pollen from coming into the house. Love that we can get some clean cool night air.

SusanMSeptember 28, 2026
Verified Purchaser

Was this Review Helpful ?

Worked well

Would Recommend

Worked well, easy to adjust fit.

Mdog1956September 16, 2026
Verified Purchaser

Was this Review Helpful ?

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COMPARE PRODUCTS

		Name	Current Item Frost King15 x 24 x 1 Washable MERV Cut to Fit Air Filter
		Ratings	116
		MERV Rating	0
		Captures Pet Dander
		Captures Household Dust
Purafilter20 x 25 x 1 MERV 8 Cut to Fit Air Filter	Filtrete20 x 30 x 1 Washable MERV 1 Basic Cut to Fit Adjustable Air Filter	Frost King13.5 x 24 x 1 Washable MERV Cut to Fit Air Filter	AirDoctor11.75 x 14 x 0.25 MERV Basic Flat Air Filter	Project Source24 x 30 x 1 MERV 8 Electrostatic Pleated Air Filter 3 -Pack	Project Source20 x 30 x 1 MERV 8 Electrostatic Pleated Air Filter 3 -Pack	Project Source20 x 30 x 1 MERV 8 Electrostatic Pleated Air Filter	Filtrete20 x 20 x 1 MERV 1 Basic Flat Air Filter 2 -Pack	Filtrete16 x 25 x 1 MERV 5 300 MPR Basic Dust and Lint Electrostatic Air Filter
104	853	18	5	1181	1181	246	2910	5690
8	1	0	0	8	8	8	1	5