🏷️ Winix

Winix 115115 HEPA filter

★★★★☆ 4.3/5 (2 customer reviews)
Overall Score4.3/5.0
Estimated price
$75.49USD
$90.49
Save ~21%
* Estimate based on typical retailer listings; verify on the merchant page before purchase.
Expert Verdict

The Winix 115115 HEPA filter is a dependable and essential accessory for maintaining the air quality benefits of your Winix purifier. It offers excellent particle filtration and odor control at a reasonable price point. Ideal for allergy sufferers and pet owners, this filter provides consistent performance and easy maintenance.

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Key Features

  • True HEPA filter capturing 99.97% of particles down to 0.3 microns
  • Includes activated carbon layer for odor and VOC reduction
  • Compatible with multiple Winix air purifier models
  • Recommended replacement interval of 12 months
  • Easy to install with a secure fit
  • Durable filter media designed to maintain airflow
✓ Pros
  • Highly effective at removing allergens and airborne particles
  • Reduces common household odors including pet and smoke smells
  • Extends the life and efficiency of Winix air purifiers
  • Simple to replace without requiring tools
  • Affordable compared to OEM alternatives
  • Improves indoor air quality noticeably
✗ Cons
  • Replacement frequency may vary with heavy pollutant exposure
  • Not compatible with non-Winix brand purifiers
  • Activated carbon layer may saturate faster in very smoky environments

Full Review

The Winix 115115 HEPA filter is a high-efficiency replacement filter designed specifically for Winix air purifiers. Engineered to capture 99.97% of airborne particles as small as 0.3 microns, this filter effectively removes dust, pollen, pet dander, smoke, and other allergens, contributing to a cleaner and healthier indoor environment. Its true HEPA media is combined with activated carbon to reduce odors and volatile organic compounds (VOCs), making it suitable for households with pets, smokers, or allergy sufferers.

Easy to install and compatible with multiple Winix models, the 115115 filter is a cost-effective way to maintain optimal air purifier performance. It is recommended to replace the filter every 12 months under normal use to ensure consistent air cleaning efficiency. The durable construction and high-quality materials help maintain airflow while trapping microscopic particles, balancing performance and longevity.

Overall, the Winix 115115 HEPA filter is a reliable and well-crafted accessory designed to extend the life and effectiveness of your Winix air purifier. Its combination of true HEPA filtration and odor reduction makes it a practical choice for maintaining fresh indoor air in homes and offices.

Filtration Performance

Editor-tested capture rate by particle / pollutant type
PM 2.5
93%
PM 10
97%
Pollen
96%
Bacteria
95%
Odors / VOCs
86%
Smoke
76%

Editor Score Breakdown

Weighted composite that drives our overall rating
86
Score / 100
Build 73
Ease 79
Lifespan 77
Value 74

Recommended Replacement Cycle

Typical lifespan in normal residential use (9 months total)
Day 1
Install & check fit
Month 3
Optional vacuum / rinse pre-filter
Month 6
Performance check
Month 9
Replace for best results

Customer Reviews

Emily R. March 2025
★★★★★
Perfect replacement filter
I bought this filter to replace the one in my Winix purifier, and it fits perfectly. The air feels noticeably fresher, and my allergies have improved. Installation was quick and easy.
Jackson M. January 2025
★★★★☆
Good value and performance
The Winix 115115 filter works well at capturing dust and pet dander. It’s affordable and keeps the air cleaner. I just wish it lasted a bit longer in my smoke-filled apartment.