115115 True HEPA Replacement Filter
Best replacement filter for allergy sufferers seeking cleaner indoor air.
Maintain optimal air quality with the genuine Winix 115115 Replacement Filter A. This comprehensive set includes a True HEPA filter, capturing 99.97% of airborne particles down to 0.3 microns, and activated carbon pre-filters to effectively neutralize odors from pets, cooking, and smoke. Designed for long-lasting performance, it ensures your Winix air purifier continues to deliver fresh, clean air, removing dust, allergens, and pollutants for a healthier home environment. Compatible with various Winix models, it's a cost-effective solution for year-round air purification.
$29.99
Owner Satisfaction
4.6
/ 5
Category Rank
138
/ 1673
#138 in Electronics Accessories
Price vs Category Average
-81%
Below average
Filter Type
True HEPA and Activated Carbon
/ True HEPA and Activated Carbon
Who it's for
- Busy households preferring low-maintenance, long-lasting air purification
- Allergy sufferers needing reliable relief from airborne irritants
- Owners prioritizing peak performance and guaranteed machine compatibility
Who should skip it
- Budget-conscious shoppers seeking the most affordable replacement options
- Eco-conscious consumers looking for reusable or washable filter alternatives
- Owners of non-compatible air purifiers requiring universal filter sizes
Performance breakdown
Particle Capture Efficiency
True HEPA filtration reliably traps 99.97% of microscopic airborne irritants.
Odor Neutralization
Activated carbon layers effectively scrub common household smells and volatile compounds.
Filter Longevity
Twelve-month lifespan minimizes maintenance frequency for a truly set-and-forget experience.
Compatibility Range
Broad support across numerous Winix models ensures a perfect, hassle-free fit.
Maintenance Simplicity
Straightforward installation process makes routine filter swaps quick and painless.
Build Integrity
Genuine manufacturing standards guarantee structural durability throughout the entire service cycle.
Key Specs
Filter Type
True HEPA and Activated Carbon
HEPA Efficiency
Captures 99.97% of airborne particles down to 0.3 microns
Activated Carbon Pre-filters reduce odors from pets, cooking, and smoke
Filter Lifespan
Up to 12 months
Compatible Air Purifier Models
Winix C535, 5300-2, 6300-2, P300, 5300, 6300, AM90, 9800, C909, 5500, 5500-2
Includes
1 True HEPA Filter, 4 Activated Carbon Pre-Filters
MERV Rating
17
Pack Quantity
1 set
Features
- True HEPA filtration captures ultra-fine particles.
- Activated carbon filters reduce odors and VOCs.
- Designed for long-lasting, efficient performance.
- Ensures optimal air purifier operation.
- Improves indoor air quality for a healthier home.
- Genuine Winix replacement for perfect fit.
- Reduces common household allergens.
- Keeps your home smelling fresh.
What customers say
Customers overwhelmingly favor the official Winix 115115 True HEPA Replacement Filter for its superior quality and performance. Users confirm the genuine OEM filter fits perfectly, ensuring seamless integration and optimal purifier function. The core satisfaction driver is air quality improvement; the filter effectively captures allergens and fine particulates. The activated carbon layer is highly praised for neutralizing strong household odors like cooking smells and pet dander, maintaining a consistently fresh environment. While the cost is acknowledged as premium, long-term owners believe the guaranteed filtration efficiency and assurance of maintaining the unit’s warranty justify the investment. This filter is seen as essential for users prioritizing top performance over budget options.
Know before you buy
The True HEPA filter is designed to last up to 12 months depending on your environment. The included activated carbon pre-filters should be replaced more frequently, typically every three months, to maintain optimal odor reduction.
No, these filters are not washable. Washing them will damage the filtration media and compromise their ability to capture fine particles and odors, so they must be replaced once they reach the end of their lifespan.
This filter set is specifically designed for Winix models C535, 5300-2, 6300-2, P300, 5300, 6300, AM90, 9800, C909, 5500, and 5500-2. Please verify your unit's model number on the back or bottom of the device before purchasing.
The activated carbon pre-filters are specifically engineered to adsorb household odors, such as those from cooking, pets, and smoke. They also help capture volatile organic compounds (VOCs) that standard HEPA filters might miss.
Yes. The True HEPA filter is rated to capture 99.97% of airborne particles as small as 0.3 microns, which includes common household allergens like dust, pollen, mold spores, and pet dander.
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