Funmit 115115 Replacement Filters for Winix Review 2026: A Practical Compatible Filter Set for PlasmaWave Owners

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Funmit 115115 Replacement Filters for Winix are a practical maintenance buy for compatible PlasmaWave owners who want easy upkeep and solid odor control.

This Funmit 115115 Replacement Filters for Winix review breaks down fit, performance, and value.

Funmit 115115 Filters Review Summary

If you own a supported Winix PlasmaWave purifier and want a complete replacement kit instead of shopping for separate parts, this is a smart, low-friction option. The Funmit 115115 Replacement Filters for Winix package bundles two high-efficiency main filters with eight activated carbon pre-filters, which is especially useful for households that want to keep air quality steady without having to source parts piecemeal.

It is best suited to buyers who value convenience, broad model coverage, and a cost-conscious alternative to OEM filter replenishment.

From a buyer’s perspective, the appeal is straightforward: you get a compatible replacement set built around the Winix 115115 Size 21 Filter A format, with filtration features aimed at everyday dust, pollen, and household odor control.

The main tradeoff is also equally clear: this is not an OEM Winix part, so buyers who only trust original-brand consumables may want to stay with branded replacements.

Still, for most compatible-model owners, it hits a sensible middle ground between function and affordability.

Scorecard

Category Score What it Means
Compatibility 9.0 Works with a wide range of popular Winix PlasmaWave models, making fit targeting strong.
Filtration performance 8.0 Uses a pleated high-efficiency filter with activated carbon and MERV 13-style construction for fine particle capture.
Odor and gas reduction 8.0 The carbon pre-filters help with household odors and can assist in smoky conditions.
Value for maintenance 9.0 Two main filters plus eight pre-filters give this kit a strong maintenance value proposition.
Ease of replacement 8.0 Tool-free installation keeps routine filter changes simple.
Build and materials 7.0 Solid for a third-party replacement, though not as confidence-inspiring as an OEM part.

Bottom line: if your purifier is on the compatibility list, this is a sensible replacement set that should suit most everyday users well.

It is not the premium choice for brand purists, but it is a strong practical buy for maintenance-focused shoppers.

Quick product box:

Key Features and Specifications of Funmit 115115 Filters

The Funmit 115115 Replacement Filters for Winix are designed as a compatible replacement set for several Winix PlasmaWave purifiers.

The bundle includes the components most buyers actually need for regular upkeep, which is one reason it stands out in the aftermarket category.

Brand Funmit
Replacement type 115115 Size 21 Filter A
Included parts 2 high-efficiency filters, 8 activated carbon pre-filters
Compatible devices Winix PlasmaWave C535, 5300, 5300-2, 6300, 6300-2, P300, AM90, 9000, 5000, 5000B, C909, 9800
Material Pleated paper and activated carbon
Construction Pleated
Shape Rectangular
MERV rating 13
High-efficiency filter dimensions 16-1/2 inches H x 12-strong buyer feedbackinches L x 2.0 inches W
Carbon filter dimensions 16-1/10 inches H x 12-strong buyer feedbackinches L x strong buyer feedbackinch W
Item weight 2.5 pounds
Replacement guidance Main filter every 6-8 months; pre-filter every 2-3 months
Installation Tool-free
Notable technology Upgraded electrostatic electret filter technology, non-woven fabric, activated carbon fiber

Those specs matter because air purifier filters are less about flashy features and more about correct dimensions, correct airflow behavior, and steady filtration over time.

The listed MERV 13-style rating suggests this replacement is aimed at capturing finer airborne particles, while the activated carbon layer is there to improve everyday comfort by reducing smells from cooking, pets, and general household use.

One detail buyers should appreciate is that this is a combo maintenance pack, not just a single filter.

The extra pre-filters are useful because the pre-filter is often the part that gets dirty first, especially in homes with pets, frequent cooking, or heavy dust exposure.

Pros and Cons of Funmit 115115 Filters

The Funmit 115115 Replacement Filters for Winix pros and cons are fairly easy to weigh because the product is built around a clear use case: affordable maintenance for compatible Winix air purifiers.

Pros

  • Broad compatibility across many popular Winix PlasmaWave models.
  • Includes both main filters and pre-filters, which improves long-term convenience.
  • Activated carbon helps with odor reduction, not just particle filtration.
  • Tool-free installation makes replacement simple for any owner.
  • Useful replacement schedule guidance is included, reducing guesswork.
  • Good maintenance value for buyers who want multiple parts in one package.

Cons

  • Not an OEM filter, so it may not satisfy brand-only buyers.
  • Compatibility must be checked carefully since Winix filter families can look similar.
  • Performance may vary versus OEM depending on the purifier and household conditions.
  • Pre-filters may need frequent swapping in dusty, smoky, or pet-heavy homes.

For most shoppers, the key issue is not whether the product can work, but whether they are comfortable using a third-party consumable.

If yes, the value proposition becomes much stronger.

Who Should Buy Funmit 115115 Filters?

This is a good pick for Winix owners who want a complete filter refresh without overcomplicating maintenance. It is particularly appealing if you already know your purifier uses the 115115 Size 21 Filter A format and you want a ready-to-install package with spare pre-filters included.

  • Buy it if you own a compatible Winix PlasmaWave purifier and want a convenient replacement set.
  • Buy it if you care about odor control as well as dust and particle filtration.
  • Buy it if you prefer a maintenance pack that covers both the main filter and the carbon pre-filter.
  • Buy it if you are comfortable using a non-OEM replacement part.

Skip it if you only want original Winix filters, if you are uncertain about your model number, or if you want the longest possible service life from a premium OEM consumable.

Buyers who are particularly sensitive to fit and finish may also prefer to stay with the brand they know.

Which Winix Models It Fits

Compatibility is one of the biggest reasons this replacement kit earns attention.

It is made for a broad list of Winix PlasmaWave units, including C535, 5300, 5300-2, 6300, 6300-2, P300, AM90, 9000, 5000, 5000B, C909, and 9800.

That said, buyers should still check the model label on the purifier itself before ordering.

Air purifier filters are notorious for looking close enough to confuse shoppers, and a near-match is not the same as a confirmed fit.

The dimensions are a useful extra safeguard: the main filter measures 16-1/2 by 12-strong buyer feedbackby 2.0 inches, while the carbon filter measures 16-1/10 by 12-strong buyer feedbackby strong buyer feedbackinch.

If your machine is on the compatibility list, the sizing is a strong sign that this will be a straightforward drop-in replacement.

Odor Control and Air Quality Results

For many buyers, the real reason to choose a filter like this is not just dust removal, but making the room feel fresher.

That is where the activated carbon pre-filters matter.

The carbon layer is designed to help with common household smells and can also be useful in conditions where smoke or wildfire-related gases are a concern.

It is not a miracle solution for severe air quality problems, but it is a meaningful feature for everyday use, especially in apartments, homes with pets, kitchens, or rooms that stay closed up for long periods.

The MERV 13-style construction and pleated design support fine particle capture, which is important for pollen, dust, and smaller airborne debris.

In a practical sense, this should help your purifier continue doing the work it was bought for: keeping indoor air more comfortable with less effort from you.

One limitation to remember: the pre-filter takes the brunt of the dirt load first, so homes with heavy particulate exposure may need to replace that layer on the faster end of the schedule.

OEM vs Replacement Filter Differences

Comparing the Funmit 115115 Replacement Filters for Winix to OEM Winix filters comes down to priorities.

OEM parts often appeal to buyers who want the exact brand spec and maximum reassurance.

Third-party kits like this one appeal to buyers who want a more convenient and flexible maintenance option.

Here is the practical difference:

  • OEM filters usually provide the comfort of factory branding and exact-match confidence.
  • Funmit replacement filters focus on compatibility, bundled value, and easier replenishment.
  • Third-party kits can be perfectly sensible if fit is correct and the buyer understands they are choosing convenience over brand purity.

In this category, the biggest question is not whether the filter is branded by the original manufacturer, but whether it fits properly, seals well, and maintains airflow without adding hassle.

On that basis, this Funmit set makes a credible case for itself.

For buyers who want to compare options, these Amazon search links are a good starting point: OEM Winix 115115 replacement filter, Winix Size 21 filter replacement kit, and Winix carbon filter replacement.

Installation and Maintenance Tips

One of the strengths of this set is that it keeps ownership simple.

Installation is tool-free, so you are not dealing with awkward mounts or specialized hardware.

A few practical tips can make the experience better:

  • Confirm the model number before opening the package so there is no compatibility surprise.
  • Replace the pre-filter more often if your home has pets, smoke exposure, or a lot of cooking residue.
  • Track the main filter schedule so you do not lose performance from a clogged unit.
  • Vacuum the surrounding intake areas to help the purifier run more efficiently.

When buyers follow the suggested maintenance intervals, the purifier should continue to operate with less strain and more predictable air-cleaning performance.

That is especially important in rooms where the purifier runs daily.

Middle-article recommendation:

Comparable Alternatives to Consider

If you are deciding whether the Funmit 115115 Replacement Filters for Winix are the right buy, it helps to compare them with common alternatives in the same search category.

The Funmit kit stands out most when the buyer wants a balanced mix of compatibility, convenience, and multi-part value.

If your shopping priority is “set it and maintain it,” this is the type of product that makes sense.

Is Funmit 115115 Filters Worth It?

Yes, for the right buyer, the Funmit 115115 Replacement Filters for Winix are worth it. They are a well-targeted compatible replacement set that covers the essentials: fit, filtration, and odor control, while also giving you enough pre-filters to make routine upkeep easier.

The strongest case for buying them is simple: you own a supported Winix PlasmaWave purifier, you want a complete replacement bundle, and you are comfortable choosing a third-party part instead of an OEM one.

In that situation, the value is genuinely good and the convenience is hard to ignore.

The main reason to pass is equally straightforward: if you only trust original-brand consumables, this product will not be your first choice.

But for everyone else, especially households that run their purifier often and want an easy maintenance refresh, this is a smart, practical buy.

If you are ready to replace worn-out filters and keep your purifier performing well, the Funmit 115115 Replacement Filters for Winix are a sensible choice that should satisfy most compatible-model owners.

Final verdict: recommended for value-focused Winix users who want a complete, easy-to-install filter kit.

Final product box: