Winix filters cut airborne particles and odors using HEPA and activated carbon technology. Pick the correct filter by matching it to your Winix model and pollutant priorities.
Consider filter lifespan and replacement cost for low hassle and steady performance.
The top Winix filters for 2026 each target specific needs, from allergy relief to smoke removal.
| Winix Replacement Filter A for C535/5300 Series |
| Best Overall | Compatible Model: C535 / 5300 series / 6300-2 / AM90 / P300 | HEPA Type: True HEPA | Carbon Filters: 4 pre-filters | VIEW LATEST PRICE | Read Our Analysis |
| Winix C545 HEPA Replacement Filter Set |
| Best For C545 | Compatible Model: C545 | HEPA Type: HEPA | Carbon Filters: 4 activated carbon | VIEW LATEST PRICE | Read Our Analysis |
| Winix HEPA Washable Replacement Filter B (114190) |
| Best Washable Option | Compatible Model: U300 / P300 / WAC-series | HEPA Type: HEPA washable | Carbon Filters: Activated carbon | VIEW LATEST PRICE | Read Our Analysis |
| Winix 5500-2 and AM80 HEPA Filter Combo Pack |
| Best For 5500-2 | Compatible Model: 5500-2 / AM80 | HEPA Type: HEPA | Carbon Filters: 2 carbon filters | VIEW LATEST PRICE | Read Our Analysis |
| D3 Replacement Filter for Winix D360 Air Purifier |
| Best For D360 | Compatible Model: D360 / D480 | HEPA Type: True HEPA | Carbon Filters: 4 carbon pre-filters | VIEW LATEST PRICE | Read Our Analysis |
| Winix 113250 HEPA Replacement Filter (2 Carbon Filters) |
| Best For P450 | Compatible Model: P450 | HEPA Type: HEPA | Carbon Filters: 2 carbon filters | VIEW LATEST PRICE | Read Our Analysis |
| Filter Q Replacement Filters for Winix 5510/5520 Air Purifier |
| Best For 5510/5520 | Compatible Model: 5510 / 5520 | HEPA Type: H13 True HEPA | Carbon Filters: 2 activated carbon | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Winix Replacement Filter A for C535/5300 Series
If you own a Winix C535, 5300-2, 6300-2, AM90, P300, 5300, or 6300, the Winix Replacement Filter A is the filter set that helps your purifier keep doing its job without missing a beat. You get a genuine Winix 115115 set with one True HEPA filter and four carbon pre-filters. The HEPA layer traps 99.99% of tiny allergens as small as 0.01 microns, while the carbon helps cut odors, smoke, and VOCs. Replace the HEPA yearly and the carbon every three months for steady, quiet relief.
- Compatible Model:C535 / 5300 series / 6300-2 / AM90 / P300
- HEPA Type:True HEPA
- Carbon Filters:4 pre-filters
- Filtration Rating:99.99% / 0.01 micron
- Replacement Interval:HEPA 12 months; carbon 3 months
- Pack Count:5-piece set
- Additional Feature:True HEPA technology
- Additional Feature:Check filter indicator
- Additional Feature:Four carbon pre-filters
Winix C545 HEPA Replacement Filter Set
The Winix C545 HEPA Replacement Filter Set is a smart pick for anyone who wants a clean, reliable fit for a Winix C545 air purifier without the guesswork. You get one HEPA filter and four activated carbon filters in a sealed pack, so you can refresh your unit with confidence. The HEPA layer traps 99.97% of particles down to 0.3 microns, while the carbon filters help cut odors. It fits part numbers 1712-0096-00 and 2522-0058-00. Replace the HEPA filter every 6 to 8 months, and swap the carbon filters every 3 months.
- Compatible Model:C545
- HEPA Type:HEPA
- Carbon Filters:4 activated carbon
- Filtration Rating:99.97% / 0.3 micron
- Replacement Interval:HEPA 6–8 months; carbon 3 months
- Pack Count:5-piece set
- Additional Feature:FSC-certified paper
- Additional Feature:Grab tag removal
- Additional Feature:Lower energy consumption
Winix HEPA Washable Replacement Filter B (114190)
Winix HEPA Washable Replacement Filter B (114190) is a smart pick for anyone who wants a low-fuss way to keep a compatible Winix purifier running well, especially in homes that deal with dust, pet dander, or everyday odors. You can use it with models like the U300, P300, WAC9500, and WAC5300. Its 3 in 1 design gives you a washable pre-filter, a HEPA layer that traps 99.97% of particles as small as 0.3 microns, and activated carbon for smells. Replace it every 8 to 12 months, and lean on support if it disappoints.
- Compatible Model:U300 / P300 / WAC-series
- HEPA Type:HEPA washable
- Carbon Filters:Activated carbon
- Filtration Rating:99.97% / 0.3 micron
- Replacement Interval:8–12 months
- Pack Count:1 filter set
- Additional Feature:Washable pre-filter
- Additional Feature:Three-in-one filtration
- Additional Feature:Satisfaction guarantee included
Winix 5500-2 and AM80 HEPA Filter Combo Pack
Built for people who own a Winix 5500-2 or AM80, this HEPA filter combo pack makes replacement easy and worry-free because it includes both 99.97% HEPA filters and advanced AOC carbon filters in one set. You get two HEPA filters and two activated carbon filters, so you can refresh your purifier with one order. The pack fits only the Winix 5500-2 and AM80, including Part No. 116130. It helps block VOCs, fumes, and odors while supporting strong airflow. Double-check your model number first, and enjoy cleaner air with less hassle.
- Compatible Model:5500-2 / AM80
- HEPA Type:HEPA
- Carbon Filters:2 carbon filters
- Filtration Rating:99.97%
- Replacement Interval:Not specified
- Pack Count:4-piece combo
- Additional Feature:Advanced odor control
- Additional Feature:Two HEPA filters
- Additional Feature:FSC-certified paper
D3 Replacement Filter for Winix D360 Air Purifier
Need a reliable fit for your D360? The D3 replacement filter gives you a simple way to keep your Winix D360 running well. It also fits the Winix D480, and it uses part number 1712-0100-12. You get one True HEPA D3 filter and four activated carbon pre-filters in a value pack. The carbon layer traps hair, odors, and larger particles, while the H13 True HEPA handles fine dust. Replace the HEPA filter every 6 to 8 months, and swap pre-filters every 3 to 4 months. Installation stays easy, so you can breathe easier fast.
- Compatible Model:D360 / D480
- HEPA Type:True HEPA
- Carbon Filters:4 carbon pre-filters
- Filtration Rating:H13 / MERV 17
- Replacement Interval:HEPA 6–8 months; carbon 3–4 months
- Pack Count:5-piece value pack
- Additional Feature:H13 True HEPA
- Additional Feature:Easy replacement
- Additional Feature:180-day warranty
Winix 113250 HEPA Replacement Filter (2 Carbon Filters)
If you own a Size 25 P450 air purifier and want a simple, no-fuss filter swap, the LifeSupplyUSA 113250 Filter E HEPA Replacement Filter is a practical pick. You get a HEPA filter plus two carbon filters, so you can trap fine dust, pollen, and other irritants while also cutting smoke and cooking odors. Because the carbon layer helps the HEPA last longer, you can breathe easier between changes. It fits Winix Filter E units, installs without tools, and suits regular six-month replacement cycles. Keep it handy for cleaner air and smoother airflow.
- Compatible Model:P450
- HEPA Type:HEPA
- Carbon Filters:2 carbon filters
- Filtration Rating:HEPA fine-particle capture
- Replacement Interval:6 months
- Pack Count:1 count
- Additional Feature:Tool-free installation
- Additional Feature:Carbon extends HEPA
- Additional Feature:Durable airflow design
Filter Q Replacement Filters for Winix 5510/5520 Air Purifier
Filter Q replacement filters for the Winix 5510 and 5520 are a smart choice for anyone who wants strong cleaning power without making filter care feel like a chore. You get H13 True HEPA performance, so it traps 99.99% of particles as small as 0.01 microns. That means less dust, smoke, pollen, pet dander, and lint floating around your space. The layered design also uses activated carbon to cut cooking odors, pet smells, and household fumes. With two HEPA filters and two carbon filters, plus a 12 month change window, you can keep breathing easier.
- Compatible Model:5510 / 5520
- HEPA Type:H13 True HEPA
- Carbon Filters:2 activated carbon
- Filtration Rating:99.99% / 0.01 micron
- Replacement Interval:12 months
- Pack Count:4-piece set
- Additional Feature:Layered protection design
- Additional Feature:High deodorization carbon
- Additional Feature:12-month support duration
Factors to Consider When Choosing a Winix Air Purifier Filter
When you pick a Winix air purifier filter, start by checking model compatibility so the fit is right and the unit can work as it should. Then look at the filter type, filtration efficiency, odor control, and replacement interval, since each one shapes how clean your air feels day to day. Choosing the right mix can save you hassle later and help your purifier do its job without drama.
Model Compatibility
Model compatibility can save you a lot of hassle, because Winix filters are not one-size-fits-all. You should check your purifier’s exact model number before you buy, since a filter for one unit may not fit another in the same line. Next, match the replacement part number on the old filter or manual to the new one. Even when two filters look alike, the codes can differ and the fit can fail. Also, verify the series name and any close model variant, because small changes can mean a different filter set. Some filters work with several models in a family, but others fit only one. So, don’t rely on size or shape alone. A quick check now can spare you a return later.
Filter Type
Choosing the right filter type is where your Winix purifier really starts to work for you, because each layer has a different job. A True HEPA filter suits you when you want to catch tiny airborne particles, and it’s built for very fine dust and allergens. If smells, smoke, or VOCs bother you, choose an activated carbon filter too, since it helps freshen the air instead of grabbing particles alone. A washable pre-filter is also smart, because it traps hair and larger dust first, which helps protect the main filter. Some Winix filter sets bundle these layers together, so you can get a simple swap or a fuller cleaning setup. Match the type to your daily air problems, and you’ll avoid buying more than you need.
Filtration Efficiency
Airflow quality starts with how much the filter can truly catch, not just how it looks on the box. When you choose a Winix filter, check its particle rating first. True HEPA media can trap 99.97% of particles as small as 0.3 microns, and better models reach even finer specks. That matters when you’re dealing with fine dust, pollen, smoke, pet dander, and mold spores. Next, look at multi-layer designs. A pre-filter grabs bigger debris, so the main layer stays efficient longer. If the filter also includes carbon, it can handle extra contaminants the particle layer misses. Finally, replace it on time. Once debris builds up, airflow drops, and cleaning power does too, even if the filter still looks usable.
Odor Control
When odors start hanging in the air, the right Winix filter can make a big difference. You should look past basic HEPA claims and check for activated carbon layers, since they help cut VOCs, cooking smells, pet odors, smoke, and other stale fumes. If you want stronger control, pick a filter with a dedicated carbon pre-filter, because it catches bigger particles and odor sources first while easing the load on the HEPA layer. More carbon usually means better odor reduction, and layered designs often work harder in busy rooms. So, read the label closely and choose filters that mention deodorization, smoke reduction, or VOC control. That way, your home feels fresher, and the air doesn’t keep old smells around like an unwanted guest.
Replacement Interval
Replacement timing often matters just as much as the filter itself. You want a schedule that fits your air and your habits. HEPA filters usually last 6 to 12 months, but smoke, pets, or heavy dust can shorten that window fast. Carbon pre-filters wear out sooner, often in 3 to 4 months, because they catch odors and bigger particles first. Some Winix systems ask you to change the main filter every 8 to 12 months while swapping the carbon layer several times in between. Still, don’t trust the calendar alone. Check the filter indicator, but also watch actual use and room conditions. If the air feels stale sooner, replace it sooner. That small step keeps your purifier working hard, so you don’t have to.
Included Components
A good Winix filter kit should make your life easier, not leave you guessing. When you shop, check exactly how many pieces come in the box. Some sets give you one True HEPA filter and four carbon pre-filters, while others include two HEPA filters and two carbon filters. You also want to see whether the kit uses activated carbon filters, washable pre-filters, or both, since each one handles odors and dust a little differently. Count the total unit number, too, because some packages hold just one part, while others pack four or five pieces. Most important, match the contents to your purifier’s filter layout. If your model needs a full combo pack, don’t settle for a partial set. That tiny detail can save you a big headache later.
Installation Ease
Sliding a Winix filter into place should feel simple, not like a puzzle with missing pieces. You should check for grab tags, tool-free fit, or simple panel access first, because these details make removal and installation quicker. Next, read product notes for phrases like “easy replacement” or “no cumbersome installation steps.” Those clues usually mean fewer mistakes and less time spent wrestling with corners. You’ll also want the dimensions to match your purifier closely, since a snug fit helps the filter slide in without force. If you can, choose a bundle that includes the HEPA filter and pre-filters together. That way, you cut extra installs later. Finally, think about washable pre-filters versus disposable HEPA and carbon filters, since each one changes how often you’ll handle the job.
Warranty Coverage
When you compare Winix air purifier filters, warranty coverage deserves a close look because it can save you stress later. Check the written warranty first, because coverage may last only 30 days or extend to a year or more. Some replacement filters offer limited support, while others give you no formal warranty at all, so don’t assume protection is included. Next, read the product terms to see whether the warranty is separate from a return policy or satisfaction guarantee. Also, ask how long spare parts stay available, since support may last 6 months, 12 months, or a full year. If a filter fails or fits poorly, clear warranty details and responsive customer support can make the whole experience far less frustrating.
Frequently Asked Questions
How Often Should I Replace Winix Filters in High-Pollution Homes?
In homes with heavy pollution replace Winix filters every three to six months and inspect them once a month. Clean pre-filters about once a week since heavy dust smoke or pet hair will clog them quickly.
Are Genuine Winix Filters Better Than Third-Party Replacements?
Genuine Winix filters generally provide more reliable fit, tested filtration performance, and continued warranty coverage. Third-party replacements can be less expensive, but their filtration efficiency and seal quality vary, so compare HEPA certification, particle removal ratings, and materials before buying.
Can I Wash HEPA Filters Instead of Replacing Them?
No. Most HEPA filters are not washable. Washing them will damage the filter media and reduce filtration performance. Replace the HEPA filter when the manufacturer recommends it. Check your purifier’s manual because some prefilters are designed to be rinsed clean.
Do Winix Filters Remove Wildfire Smoke Effectively?
Winix HEPA filters can significantly reduce wildfire smoke when operated on high with doors kept closed. Replace filters promptly when they become saturated because their particle removal performance declines.
How Do I Know When My Filter Needs Changing?
You need a new filter when the purifier’s filter light turns on, you notice weaker airflow, persistent odors, or visible dust build up shortly after cleaning. Inspect the filter every month and plan to replace it every 6 to 12 months based on how often you run the unit and the air quality in your home.
