Name: Filtrete 20 x 20 x 2 MERV 11 1000 MPR Allergen Defense Electrostatic Pleated Air Filter
Brand: Filtrete
SKU: 1003139460
Price: 13.97 USD
Availability: InStock
Rating: 4.7 (970 reviews)

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Opt for a Filtrete Allergen Defense Air Filter to transform your central heating and cooling system into a whole home air filtration operation. This no-nonsense filter helps capture varying sizes of particles, from the large (lint, pollen, dust and pet dander) to the microscopic (smoke and smog). Create a Change Countdown in the Filtrete Smart app. Simply use the app to scan the barcode on you filter's packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you'll get a notification to change your filter.

MAKE YOUR HOME YOUR SANCTUARY: 1000 MPR + MERV 11 rating helps capture up to 2X more microparticles than MERV alone(2)
DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.5 in x 19.5 in x 1.75 in, This item is a 1-pack of a 3-month Filtrete Air Filter
COOLING SEASON READY: Keep your home cool and your air cleaner with a Filtrete AC filter (Compared to MERV minimum filter requirements)
EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
COUNTLESS MICROPARTICLES: With a 1000 MPR and MERV 11 rating, your Filtrete Filter will help capture many microparticles from the air passing through it
CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air
RECYCLED CONTENT: Verified to contain at least 50% recycled content by GreenCircle Certified, a third-party auditor
VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system
SMART APP: Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter

General
Series Name	Allergen Defense	Filter Type	Electrostatic pleated
Material	Synthetic	Air Filter Longevity (Months)	3
Package Quantity	1

Dimensions
Actual Length (Inches)	19.5	Common Size (W x L x T)	20 x 20 x 2
Actual Thickness (Inches)	1.75	Common Thickness (Inches)	2
Actual Width (Inches)	19.5	Common Width (Inches)	20
Common Length (Inches)	20

Features
Captures Bacteria	No	Commercial/Residential	Residential
Captures Debris and Lint	Yes	E1 Rating (Percentage)	42
Captures Dust Mite Debris	Yes	E2 Rating (Percentage)	77
Captures Household Dust	Yes	E3 Rating (Percentage)	88
Captures Mold Spores	Yes	Filter Efficiency (Percentage)	88
Captures Particles that Carry Odor	No	MERV Rating	11
Captures Particles that Carry Viruses	No	MPR Rating	1000
Captures Pet Dander	Yes	Subscription Eligible	Yes
Captures Pollen	Yes	Washable	No
Captures Smog	Yes	Certifications	AAFA (Asthma & Allergy Friendly Association) Certified
Captures Smoke	Yes

Compatibility
App Compatibility	Yes	Works with Air Conditioners	Yes
Bluetooth Compatibility	No	Works with Android	Yes
Smart Compatible	No	Works with iOS	Yes
Wi-Fi Compatibility	No	For Use With	Multiple brands

Certifications
CA Residents: Prop 65 Warning(s)	No

Warranty
Warranty	Limited lifetime

Miscellaneous
UNSPSC	40101700

Check out the Best Selling Air Filters on Lowes.com

Review

4.7 out of 5

970 Reviews

97% Recommend this product

Ratings may include incentivized customer reviews.

Read All Reviews

+ 4

What Customers Are Saying

The Filtrete air filters are highly effective at filtering out dust, allergens, and pet dander, helping to keep homes cleaner and alleviate allergy symptoms. Customers report the filters are long-lasting, with most needing replacement every 3-4 months. The filters are praised for their sturdy construction and ability to maintain good airflow, though a few had issues with the filter size not fitting properly. Overall, the filters are considered a high-quality, reliable, and effective product that delivers great value.

Customer review summary generated by AI, including incentivized reviews.

970 Customer Reviews

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All good

Would Recommend

All good

BocaChulaJordanAugust 30, 2026
From 20 x 25 x 2 MERV 11 1000 MPR Allergen Defense Electrostatic Pleated Air Filter Verified Purchaser

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Poor Service

Would Not Recommend

The filters sent were the wrong size and arrived later than promised. Poor Service~

TucsonCJuly 26, 2026
Verified Purchaser

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Response from 3M Social Engagement

Thank you for sharing your feedback. We’re sorry to hear that you received the wrong size filters and that the order arrived later than expected. For...

3M Social EngagementJuly 29, 2026

Good and long lasting

Would Recommend

These filters are exactly as described. They are easily installed and structurally sound

Panda123July 12, 2026
From 16 x 25 x 2 MERV 11 1000 MPR Allergen Defense Electrostatic Pleated Air Filter Verified Purchaser

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