Winix 115115 Replacement Filter A Genuine True HEPA + Carbon - Year

In this review of the Winix 115115 Replacement Filter A kit, the bottom line is simple: this is a straightforward one-year replacement set best suited for owners of compatible Winix air cleaners who want consistent particle removal and odor control without fuss. The reviewer found the combination of a True HEPA element and four carbon pre-filters provides reliable capture of common household allergens and steady odor absorption, making it a practical maintenance purchase rather than a performance upgrade.

Key Features

• True HEPA filtration: The HEPA filter captures 99.97% of particles down to 0.3 microns, helping reduce pollen, dust, pet dander and smoke from indoor air.
• Four carbon pre-filters: The included carbon pre-filters trap larger particles and absorb odors, extending the life of the HEPA element between annual changes.
• Compatible models: The set fits multiple Winix air cleaners such as C535, 5300-2, 6300-2, AM90 and P300, which simplifies sourcing replacement parts.
• Annual maintenance plan: The kit is intended as a one-year supply with a recommended HEPA change every 12 months and carbon pre-filter swaps every 3 months for steady performance.
• Odor and VOC control: The activated carbon layers help reduce household smells and some VOCs in addition to particle removal.

Who It's For

This replacement kit is ideal for owners of compatible Winix air cleaners who follow a regular maintenance schedule and want a complete yearly refresh of filtration. It suits households with mild to moderate allergy concerns, pet dander, or common indoor odors where steady filtration and odor adsorption are priorities.

Those seeking specialty filters, antiviral claims, or extended-life premium cartridges should look elsewhere; this kit is designed as a reliable, OEM-equivalent maintenance solution rather than a high-end upgrade for extreme pollution or industrial settings.

Pros & Cons

Pros

• Includes a full True HEPA filter that captures 99.97% of 0.3 micron particles for dependable allergen reduction.
• Four carbon pre-filters extend HEPA life and address household odors and some VOCs.
• Direct compatibility with several Winix models makes replacements simple and predictable.

Cons

• Requires replacing the carbon pre-filters every three months to maintain optimal odor control, which is ongoing maintenance.

Specifications

Our Verdict

The Winix 115115 Replacement Filter A is a sensible value for owners of compatible Winix air cleaners who want reliable yearly maintenance and balanced particle and odor control. It is not a specialty upgrade, but the True HEPA plus four carbon pre-filters deliver predictable filtration performance and easier upkeep for typical home environments.

Frequently Asked Questions

How often should the carbon pre-filters be replaced?
The recommended schedule is to replace the carbon pre-filters every three months to maintain odor absorption and protect the HEPA filter.

Will this kit fit my Winix unit?
The kit is compatible with Winix models listed including C535, 5300-2, 6300-2, AM90 and P300; confirm your model number before purchase.

What size particles does the HEPA filter remove?
The True HEPA filter captures 99.97% of particles as small as 0.3 microns, covering pollen, dust, pet dander and similar allergens.