Filtre à air 13x21x1
Best high-efficiency filter for homeowners seeking cleaner indoor air quality.
Enhance your home's air quality with the Aerostar 13x21x1 pleated air filter. Designed for standard HVAC systems, this filter effectively captures particles from 3 to 10 microns, including dust, pollen, and bacteria. Its high-capacity, pleated design ensures efficient filtration and helps maintain optimal system performance. Regular replacement every 60 to 90 days promotes a healthier indoor environment and can contribute to lower energy bills. This filter offers a straightforward solution for superior air filtration and cleaner living spaces.
$127.62
Owner Satisfaction
4.5
/ 5
Category Rank
98
/ 340
#98 in Air Conditioner Filters
Price vs Category Average
+47%
Above average
Actual Size
13211
/ " x " x "
Who it's for
- Homeowners seeking a quick, drop-in replacement for standard HVAC systems
- Allergy sufferers needing relief from common household dust and dander
- Budget-conscious shoppers looking for affordable, reliable air quality maintenance
Who should skip it
- Busy households preferring infrequent, set-it-and-forget-it maintenance schedules
- Owners of older HVAC systems sensitive to increased airflow resistance
- Health-focused residents requiring protection against smoke, viruses, and ultra-fine particles
Performance breakdown
Filtration Efficiency
High-density pleats capture microscopic allergens with professional-grade precision.
HVAC Compatibility
Standard sizing ensures a seamless fit for most residential HVAC systems.
Airflow Performance
Dense media effectively traps particles without overly restricting system air circulation.
Build Durability
Sturdy cardboard frame maintains structural integrity throughout the entire service life.
Maintenance Convenience
Simple installation process makes routine replacements quick and hassle-free.
Energy Efficiency
Optimized design reduces system strain to help lower monthly utility costs.
Key Specs
Actual Size
13" x 21" x 1"
Air Filter Type
Plissé (Pleated)
FPR Rating
RFP 10
MPR Rating
MPR 1900
Captured Particle Size
3-10 microns
Change Frequency
Every 60 to 90 days
Pack Quantity
6 filters
Width
13 inches
Features
- High-capacity pleated filtration
- Captures small particles (3-10 microns)
- Improves indoor air quality
- Easy to install in standard systems
- Supports HVAC efficiency
- Reduces energy consumption
- Rated MPR 1900 / FPR 10
What customers say
Customers overwhelmingly praise the Aerostar air filter for its exceptional value and reliability in routine HVAC maintenance. The primary satisfaction driver is the cost effectiveness, especially when buying in bulk, which significantly undercuts local store prices. Users report tangible improvements in indoor air quality, confirming the filter effectively captures dust and dander over its lifespan. Fit accuracy is consistently noted, ensuring easy installation. While some mention the frame feels less robust than premium brands, the consensus is that Aerostar successfully balances affordability with necessary filtration performance. This product is viewed as a smart, practical purchase, leading to high repurchase intent.
Know before you buy
The nominal size of 14x24x1 is the industry-standard label used for sizing, while the actual size of 13x21x1 is the precise physical measurement of the filter. Always measure your current filter or housing to ensure the 13x21x1 dimensions fit your specific unit.
For optimal air quality and system performance, you should replace these filters every 60 to 90 days. If you have pets, allergies, or live in a dusty environment, you may want to change them closer to the 60-day mark.
These ratings indicate a high-efficiency filtration level capable of capturing small particles between 3 and 10 microns, such as pollen, dust, and bacteria. It is an effective choice for households looking to significantly improve indoor air quality beyond standard fiberglass filters.
While pleated filters are denser than basic options, this high-capacity design is engineered to maintain efficient airflow while capturing contaminants. However, it is important to change the filter regularly to prevent buildup that could cause your system to work harder than necessary.
These filters are designed for standard HVAC systems that use a 1-inch deep filter slot. As long as your system housing accommodates the 13x21x1 dimensions, they will install easily.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$128