Name: Filtrete 12 x 24 x 1 MERV 1 Basic Flat Air Filter 2 -Pack
Brand: Filtrete
SKU: 3829743
Price: 5.97 USD
Availability: InStock
Rating: 4.5 (2754 reviews)

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The Filtrete 12x24x1 Flat Air Filter, made by 3M, helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment. Use these two 3-month 1-inch home air filters in your furnace, air conditioner or HVAC system. For optimal performance of your heating and cooling system or HVAC system, change your furnace filter at least every 90 days.

Includes two 3-month 1” Filtrete 12x24x1 Flat Panel AC Furnace Air Filter helps capture unwanted particles
Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system
CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days
SMART APP: Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter

General
Material	Synthetic	Filter Type	Basic flat
Package Quantity	2	Air Filter Longevity (Months)	3

Dimensions
Common Width (Inches)	12	Actual Length (Inches)	23.7
Common Length (Inches)	24	Actual Width (Inches)	11.7
Common Thickness (Inches)	1	Actual Thickness (Inches)	0.8125
Common Size (W x L x T)	12 x 24 x 1

Features
MERV Rating	1	Captures Pet Dander	No
MPR Rating	0	Captures Pollen	No
Commercial/Residential	Residential	Captures Smog	No
Captures Bacteria	No	Captures Smoke	No
Captures Debris and Lint	Yes	Captures Mold Spores	No
Captures Dust Mite Debris	No	Filter Efficiency (Percentage)	20
Captures Household Dust	No	Captures Particles that Carry Viruses	No
Captures Particles that Carry Odor	No	Washable	No

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

Certifications
CA Residents: Prop 65 Warning(s)	No

Warranty
Warranty	None

Miscellaneous
UNSPSC	40101700

Check out the Best Selling Air Filters on Lowes.com

Review

4.5 out of 5

2754 Reviews

84% Recommend this product

Ratings may include incentivized customer reviews.

Read All Reviews

+ 16

What Customers Are Saying

Customers overwhelmingly praise these filters for effective dust capture and strong value, with many noting they perform as well as pricier alternatives at a fraction of the cost. Most confirm perfect fit and easy installation across standard HVAC systems, with technicians often recommending them. Reviewers consistently emphasize monthly replacement for optimal results. A small group reports concerns about thinner material compared to previous versions, though these criticisms are far outweighed by satisfaction with performance and affordability. Overall, customers consider them a reliable, budget-friendly choice.

Customer review summary generated by AI, including incentivized reviews.

2754 Customer Reviews

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Great basic filter

Would Recommend

A really a great basic filter on a more budget friendly level. It is also one that does not impead airflow.

Jennm2203September 7, 2026
From 20 x 20 x 1 MERV 1 Basic Flat Air Filter 2 -Pack Verified Purchaser

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Great air filters.

Very reasonable price, has longevity., it works really great. I always look for these air filters. Thank you very much.

Big daddy DSeptember 7, 2026
From 16 x 25 x 1 MERV 1 Basic Basic Flat Air Filter 2 -Pack Verified Purchaser

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Good !

CowboySeptember 7, 2026
From 20 x 20 x 1 MERV 1 Basic Flat Air Filter 2 -Pack Verified Purchaser

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Ac filter

Would Recommend

Get better airflow with changing this out monthly

DebkaySeptember 6, 2026
From 18 x 24 x 1 MERV 1 Flat Panel Basic Flat Air Filter 2 -Pack Verified Purchaser

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Would Recommend

I like the basic brand as I believe this provides a good airflow for my ac unit. Also I change the filter monthly so the cost is reasonable.

Cdb17September 6, 2026
From 20 x 20 x 1 MERV 1 Basic Flat Air Filter 2 -Pack Verified Purchaser

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COMPARE PRODUCTS

		Name	Current Item Filtrete12 x 24 x 1 MERV 1 Basic Flat Air Filter 2 -Pack
		Ratings	2754
		Captures Pet Dander
		MERV Rating	1
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5	5	11	1	8	8	5	1	13