Name: Filtrete 14 x 20 x 1 MERV 1 Basic Basic Flat Air Filter 2 -Pack
Brand: Filtrete
SKU: 3829745
Price: 6.47 USD
Availability: InStock
Rating: 4.5 (2910 reviews)

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The Filtrete 14x20x1 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 14x20x1 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	Series Name	Basic
Package Quantity	2	Air Filter Longevity (Months)	3
Filter Type	Basic flat

Dimensions
Common Width (Inches)	14	Actual Length (Inches)	19.6
Common Length (Inches)	20	Actual Width (Inches)	13.7
Common Thickness (Inches)	1	Actual Thickness (Inches)	0.8125
Common Size (W x L x T)	14 x 20 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

2910 Reviews

84% Recommend this product

Ratings may include incentivized customer reviews.

Read All Reviews

+ 18

What Customers Are Saying

Customers overwhelmingly praise these air filters for effectively capturing dust, improving airflow, and reducing household dust levels while offering exceptional value compared to pricier alternatives. Most find them easy to install with proper fit for standard HVAC systems, and many cite HVAC professional recommendations as a key reason for choosing them. Affordability drives strong loyalty, with customers frequently purchasing in bulk. A small number note thin construction or suggest changing filters every two to three weeks, but these concerns are far outweighed by widespread satisfaction with performance and cost-effectiveness.

Customer review summary generated by AI, including incentivized reviews.

2910 Customer Reviews

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Air conditioner filter

Would Recommend

Very fast shipping and fits perfectly will order again

Aherron2121October 2, 2026
From 12 x 20 x 1 MERV 1 Basic Flat Air Filter 2 -Pack Verified Purchaser

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Great filter and no air flow loss

I bought these as a suggestion from my HVAC contractor they filter perfectly and don’t restrict air flow perfect

RJLJROctober 1, 2026
From 16 x 25 x 1 MERV 1 Basic Basic Flat Air Filter 2 -Pack Verified Purchaser

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Saves money, easier on the HVAC

According to our HVAC service team, these type filters are easier on our HVAC systems and much better cost. Better value! We change our filters monthly at the beach so this saves us money and is easier on our HVAC system.

Ed HOctober 1, 2026
From 20 x 30 x 1 MERV 1 Flat Panel Basic Flat Air Filter 2 -Pack Verified Purchaser

Was this Review Helpful ?

Great price

Would Recommend

September 30, 2026
From 16 x 25 x 1 MERV 1 Basic Basic Flat Air Filter 2 -Pack Verified Purchaser

Was this Review Helpful ?

Great price for a value pack of these filters and they do the job.

September 30, 2026
From 18 x 24 x 1 MERV 1 Flat Panel Basic Flat Air Filter 2 -Pack Verified Purchaser

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		Name	Current Item Filtrete14 x 20 x 1 MERV 1 Basic Basic Flat Air Filter 2 -Pack
		Ratings	2910
		MERV Rating	1
		Captures Pet Dander
		Captures Household Dust
Project Source14 x 20 x 1 MERV 8 Electrostatic Pleated Air Filter	Filtrete14 x 20 x 1 MERV 5 300 MPR Basic Dust and Lint Electrostatic Air Filter 3 -Pack	Filtrete20 x 25 x 1 MERV 1 Basic Basic Flat Air Filter 2 -Pack	Filtrete14 x 20 x 1 MERV 11 1085 MPR Allergens Pet Dander Electrostatic Pleated Air Filter 2 -Pack	Filtrete16 x 20 x 1 MERV 1 Basic Basic Flat Air Filter 2 -Pack	Filtrete14 x 20 x 1 MERV 5 300 MPR Basic Dust and Lint Electrostatic Air Filter	Filtrete14 x 20 x 1 MERV 5 300 MPR Basic Dust and Lint Electrostatic Air Filter 6 -Pack	Project Source14 x 20 x 1 MERV 8 Electrostatic Pleated Air Filter 3 -Pack	Filtrete14 x 20 x 1 MERV 12 1500 MPR Allergens, Bacteria Viruses Electrostatic Pleated Air Filter
246	5690	714	16915	534	5690	5690	1181	3830
8	5	1	11	1	5	5	8	12