Lennox HC X6664 MERV 11 Air Filter Replacement
Best high-efficiency filter for homeowners managing indoor allergens and dust.
Enhance your home's air quality with the Lennox HC X6664 MERV 11 Air Filter Replacement. Specifically designed for the Lennox PCO-12C PureAir air cleaner, this pleated filter effectively captures airborne particulates down to 0.3 microns. Its MERV 11 rating ensures superior filtration, trapping dust, pollen, and other allergens to create a healthier living environment. This high-quality replacement filter is sold individually, offering a simple and efficient solution for maintaining optimal air purification in your home.
$57.95
Owner Satisfaction
4.6
/ 5
Category Rank
75
/ 876
#75 in Air Purifier Filters
Price vs Category Average
-33%
Below average
Filter Type
Pleated air filter
/ Pleated air filter
Who it's for
- Allergy sufferers seeking cleaner indoor air quality
- Busy homeowners preferring infrequent maintenance schedules
- Lennox owners wanting a guaranteed, perfect equipment seal
Who should skip it
- Consumers with standard HVAC cabinets requiring universal filter sizes
- Budget-conscious shoppers looking for affordable generic alternatives
- Owners of older HVAC systems with limited airflow capacity
Performance breakdown
Filtration Efficiency
MERV 11 rating effectively captures common household allergens and fine dust.
Compatibility Precision
Engineered specifically for seamless integration with Lennox PCO-12C systems.
Installation Simplicity
Straightforward design allows for quick, tool-free replacement in minutes.
Particulate Capture
Reliably traps microscopic particles down to 0.3 microns for cleaner air.
Build Integrity
High-quality pleated construction maintains structural shape under consistent airflow.
Airflow Maintenance
Balances deep cleaning power with minimal resistance to system air pressure.
Key Specs
Filter Type
Pleated air filter
MERV Rating
11
Compatible with
Lennox PCO-12C PureAir air cleaner
Pack Quantity
1
Part Number
X6664
Model Number
HC X6664
Features
- MERV 11 rating for superior particle capture
- Direct replacement for Lennox PCO-12C PureAir
- Captures fine airborne particulates
- Traps particles as small as 0.3 microns
- Promotes a healthier indoor environment
- High-quality pleated construction
- Easy and efficient replacement
What customers say
Users consistently commend this filter for its superior build quality and dependable performance. Installation is frequently noted as straightforward, with a perfect fit for Lennox systems. Although it costs more than generic options, customers agree the enhanced filtration and resulting peace of mind make it a worthwhile investment. It effectively supports air purity and system efficiency, making it a preferred choice for those prioritizing long term system health and consistent indoor air comfort. This filter offers excellent value through its reliable operation and air quality benefits.
Know before you buy
No, this specific filter is designed exclusively for the Lennox PCO-12C PureAir air cleaner system. It will not fit other models.
A MERV 11 rating indicates that the filter is highly effective at trapping small particles, including dust, pollen, mold spores, and pet dander. It provides a significant improvement in air quality compared to standard, lower-rated filters.
The filter is engineered to capture airborne particulates as small as 0.3 microns. This allows it to effectively remove many common household allergens and irritants from your indoor air.
While replacement frequency depends on your home's specific environment and usage, it is generally recommended to replace the filter every 6 to 12 months to maintain optimal airflow and filtration performance.
This product is sold as an individual, single-filter unit.
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$58