Permatron
14x20x1 Lifetime Permanent Washable Filter
Best eco-friendly filter for homeowners seeking long-term savings and cleaner air.
Upgrade your home's air quality with the Permatron Lifetime Permanent Washable Filter. This eco-friendly and cost-effective alternative to disposable filters effectively captures dust, pollen, mold, and other airborne particles. Its unique design utilizes static electricity for enhanced particle attraction and includes anti-microbial protection. Built with a rugged steel frame, it's washable for continuous use, ensuring your HVAC system runs efficiently and your air stays cleaner. This convenient 2-pack provides lasting value and performance for your furnace or central air conditioner.
$55.48
Owner Satisfaction
4.6
/ 5
Category Rank
25
/ 340
#25 in Air Conditioner Filters
Price vs Category Average
-36%
Below average
Nominal Dimensions
14201
/ x x inches
Who it's for
- Budget-conscious homeowners seeking long-term savings
- Eco-conscious consumers aiming to reduce household waste
- Practical users prioritizing consistent performance and durability
Who should skip it
- Shoppers restricted by a tight immediate budget
- Busy individuals unable to commit to monthly maintenance
- Allergy sufferers requiring high-efficiency particle filtration
Performance breakdown
Filtration Efficiency
Electrostatic charge effectively traps common household allergens and airborne particulates.
Build Durability
Rugged steel frame construction ensures long-term structural integrity under heavy airflow.
Maintenance Convenience
Simple wash-and-dry process eliminates the need for frequent filter replacements.
Environmental Impact
Reusable design significantly reduces landfill waste compared to disposable alternatives.
System Compatibility
Standard sizing fits most residential HVAC systems with minimal installation effort.
Anti-Microbial Protection
Integrated treatment helps inhibit mold and bacteria growth on the media.
Key Specs
Nominal Dimensions
14 x 20 x 1 inches
Actual Dimensions
13.5 x 19.5 x 0.875 inches
Filter Media
Woven polypropylene media
Frame Material
Rugged steel frame
Filter Support Grid
Heavy duty steel mesh
Pack Quantity
2
Filtration Type
Dust Filtration, Allergen Reduction, Pet Dander Filtration, Mold Spore Filtration
Compatible System Type
Furnace, Central Air Conditioner, HVAC System
Features
- Washable and reusable for long-term savings
- Captures dust, pollen, mold, and allergens
- Attracts particles using static electricity
- Includes anti-microbial protection
- Durable steel frame construction
- Lifetime warranty for peace of mind
- Eco-friendly alternative to disposable filters
- Made in the USA
What customers say
Customers overwhelmingly praise this permanent washable filter for its exceptional durability and significant long-term value. The robust, heavy-duty construction instills confidence that this is a true set it and forget it solution, justifying the initial investment through eliminated recurring costs. Reviewers appreciate the environmental benefit of reducing landfill waste and the convenience of simple maintenance. While filtration performance is generally rated highly, a few users note that adequate drying time is necessary after washing. Overall, this filter is highly recommended for homeowners prioritizing superior construction and sustainability, solidifying its status as a premium, long lasting home upgrade.
Know before you buy
The nominal size of 14x20x1 is the industry-standard label for the filter slot, while the actual dimensions of 13.5x19.5x0.875 ensure a proper fit within your HVAC unit. Always measure your existing filter or filter slot to confirm these dimensions match your specific system.
For optimal airflow and filtration, we recommend cleaning the filter every 30 to 60 days depending on your home environment and the presence of pets. Simply rinse it with water and a mild detergent, let it air dry completely, and reinstall it.
No, the filter does not require electricity. It uses self-charging woven polypropylene media that generates a natural static charge as air passes through it, effectively attracting and trapping airborne particles.
Yes, this filter is designed to be resistant to 100% relative humidity. Its rugged steel frame and polypropylene media are built to withstand moisture without degrading or losing structural integrity.
This filter is designed to capture common household allergens, including dust, pollen, mold spores, and pet dander. The combination of static attraction and anti-microbial protection helps keep these particles from recirculating through your home.
The anti-microbial treatment is integrated into the filter media to inhibit the growth of mold and bacteria on the filter surface. Because the filter is designed for long-term use, this protection remains effective throughout the life of the product.
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$55