Filtrete
Filtrete Allergen Defense 16" x 20" x 1" Pleated Air Filter, MERV 11
Best allergen defense for households seeking cleaner, healthier indoor air quality.
Elevate your home's air quality with the Filtrete Allergen Defense Air Filter. This 16" x 20" x 1" pleated filter effectively captures a wide range of airborne particles, from common allergens like lint, pollen, and pet dander to microscopic irritants such as smoke and smog. Featuring Filtrete's exclusive 3-in-1 technology and a MERV 11 rating with 1000 MPR, it ensures superior filtration for your central HVAC, furnace, or air conditioner system. Designed for a 3-month replacement cycle, it contributes to a cleaner, fresher home environment and is CERTIFIED asthma and allergy-friendly.
$18.99
Owner Satisfaction
4.6
/ 5
Category Rank
17
/ 340
#17 in Air Conditioner Filters
Price vs Category Average
-78%
Below average
MERV Rating
11
Who it's for
- Allergy sufferers seeking relief from pollen and pet dander
- Homeowners prioritizing brand reliability and easy local availability
- Users wanting clean air without straining their HVAC system
Who should skip it
- Budget-conscious shoppers looking for the lowest price per filter
- Busy homeowners who prefer infrequent maintenance schedules
- People needing protection against smoke, viruses, or fine bacteria
Performance breakdown
Allergen Capture
MERV 11 rating effectively traps microscopic irritants and common household allergens.
Filtration Technology
Exclusive 3-in-1 design balances high-efficiency capture with consistent airflow performance.
Maintenance Convenience
Smart app integration removes the guesswork from your quarterly replacement schedule.
System Compatibility
Standard sizing ensures seamless integration with most residential HVAC and furnace setups.
Health Certification
Asthma and allergy-friendly status provides peace of mind for sensitive households.
Build Durability
Pleated construction maintains structural integrity throughout the full three-month service life.
Key Specs
MERV Rating
11
MPR Rating
1000
Nominal Size
16" x 20" x 1"
Thickness
1 inch
Filter Type
Pleated Air Filter
Packaging
1-pack
Recommended Replacement Interval
Every 90 days
Certifications
asthma and allergy-friendly (2)
Features
- Captures allergens from lint to microscopic smog
- Uses exclusive 3-in-1 technology for advanced filtration
- Certified asthma and allergy-friendly performance
- Supports whole-home air filtration
- Smart App integration for filter change reminders
- Trusted brand in North American HVAC filtration
- Designed for a 3-month replacement cycle
- Versatile use in AC, furnace, or HVAC systems
What customers say
Consumers overwhelmingly praise this filter for superior indoor air quality, driven by its proven ability to capture fine particulates like dander and allergens. The MERV 11 rating is valued for balancing robust filtration with healthy airflow for standard HVAC systems. Reliability builds strong consumer trust, positioning it as an essential, dependable solution. The main friction point is the premium price, though most agree performance justifies the cost. Some users in high-use environments note replacement is needed sooner than the advertised three months to maintain peak airflow. Despite minor concerns over cost and longevity variability, the overall consensus celebrates this product for delivering excellent allergen defense and air purity.
Know before you buy
This filter is designed to be replaced every 90 days, or three months, to maintain optimal airflow and filtration efficiency in your HVAC system.
A MERV 11 rating indicates that the filter is highly effective at capturing both large particles like lint and pollen, as well as smaller microscopic irritants such as smoke, smog, and pet dander.
Yes, this is a standard 16" x 20" x 1" pleated filter designed for universal compatibility with most residential furnace, air conditioner, and HVAC systems that use this specific nominal size.
Yes, you can use the Filtrete Smart App to set up automated reminders, ensuring you never miss the recommended 3-month replacement window.
Absolutely. This filter is certified asthma and allergy-friendly, making it an excellent choice for homes where reducing airborne allergens is a priority.
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