Replacement filters for Winix

Winix Air Purifier Filter

Compare Winix filters by model fit, filtration stage and odour control, so the right cartridge reaches your unit. Each listing names the models it suits, which helps you avoid ordering the wrong size or type for your purifier.
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Winix 5500-2 Air Purifier Filter — Replacement Cartridge for Allergen and Odour Removal
This cartridge is made for the Winix 5500-2 and restores the unit's filtration stack once the old media clogs. It helps capture household allergens and lift trapped odours, which suits living rooms where cooking smells and pet dander build up. Replacing it on schedule keeps airflow steady.
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Winix C535 Air Purifier Filter — High-Efficiency Capture of Dust, Pollen and Particles
Made for the Winix C535, this high-efficiency filter captures the dust, pollen and fine airborne particles that gather in living rooms and hallways. Because the cartridge matches the C535 housing, fit and airflow stay predictable, so the unit keeps cycling air quietly through long evenings and busy family hours.
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Winix 5300-2 True HEPA Filter — True HEPA Capture of 99.97% of Airborne Pollutants
A True HEPA stage is the part doing the heavy lifting, and this filter for the Winix 5300-2 is built to capture 99.97% of airborne pollutants down to fine particle sizes. Choose it when pollen season or household dust is the main complaint rather than everyday smell.
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Winix Air Purifier Filters — Clean, Fresh Air for Bedrooms and Living Spaces at Home
A straightforward option when you are not certain which cartridge letter your unit takes. This Winix filter line supports clean, fresh air across common home models, so you can confirm fit, order once and return to calmer, cleaner rooms without a long research session first.
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Winix Genuine Replacement Filter S (Model1712-0096-00) for Winix C545 Air Purifier — Removes Allergens
Designed for the Winix C545, this replacement filter S (model 1712-0096-00) is specified to remove allergens and pollutants from the air stream. Keep one on hand for homes where sneezing spikes indoors, since a fresh cartridge restores capture performance the moment the old one loads up.
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Everyday Winix Filter Picks

Five replacements covering different Winix units: model-specific cartridges, a True HEPA option and one general filter.
Genuine Winix 115115 replacement filter A beside an air purifier on a living room rug

Genuine Winix 115115 Replacement Filter A for C535, 5300-2, P300 and 5300 Units

Filter A (part 115115) covers several Winix models at once, including the C535, 5300-2, P300 and 5300, which makes it the practical choice for households running more than one unit. Genuine construction keeps fit exact and airflow steady, so sensor-driven auto mode readings stay meaningful rather than drifting as the media gradually loads with household dust.
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More ways to choose

Filters Shoppers Return to Often

Genuine Winix 116130 Replacement Filter H for 5500-2 Air Purifier, White — Reduces Smoke and Allergens

Filter H (116130) adds advanced filtration to the Winix 5500-2, where smoke and allergens are the stubborn problem. Homes with smokers, wildfire haze or heavy pet dander benefit most, because the media targets fine particles that settle into carpet and soft furnishings. Replacing it before airflow drops keeps the room responsive.
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Genuine Winix 1712-0110-00 Replacement Filter O for A230 and A231 — Traps Particles in Compact Rooms

Filter O (1712-0110-00) is cut for the compact Winix A230 and A231 units, which sit on desks and bedside tables. It traps everyday particles in smaller rooms where the air turns over quickly, so a modest cartridge still makes the space feel noticeably fresher. Swap it when airflow feels weaker than usual.
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Winix Genuine Replacement Filter R for T810 Air Purifier — Engineered for Optimal Performance

Engineered for the Winix T810, this filter R is the part that returns that unit to its designed capture performance. It suits shoppers who already like their purifier and simply want it working as before, rather than testing an unverified third-party cartridge. Order it alongside your usual cleaning routine so the change never slips.
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Genuine Winix 114190 Replacement Filter B for 9500, U300 Air Purifiers,black — Thorough Cleaning for Large Units

Filter B (114190) is intended for the larger Winix 9500 and U300 units, where thorough cleaning across bigger spaces matters. The high-efficiency media suits open-plan living areas and whole-room use, provided you replace it before the pleats turn visibly grey with dust. That timing protects both airflow and long-term value.
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Winix Filter — Compatible Replacement Offering Effective Filtration for Winix Air Purifiers

When the model letter is unclear, this Winix filter remains a sensible starting point for compatible units. Effective particle filtration means fewer visible dust traces on shelves and calmer breathing for anyone sensitive to household dust, as long as you confirm fit against your model number before ordering.
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Genuine Winix Filter Q –1712-0123-00 with Activated Carbon for Odor Control For Winix 5510, 5520 and 5530

Filter Q (1712-0123-00) is built around activated carbon, so its job is odour control rather than particle capture alone. It suits Winix 5510, 5520 and 5530 owners whose kitchens or pet areas smell fresh for a day and then drift back. Fresh carbon makes that cycle far less noticeable.
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Where These Filters Earn Their Keep

From bedrooms to whole-room spaces, these filters serve homes managing dust, pollen, pet dander and odours, and keep existing Winix units working as intended.
Air purifier with a filter beside a neatly made bed in a sunlit bedroom

Bedroom dust and pollen control

Pollen and fine dust settle overnight in bedrooms, so a fresh cartridge helps morning air feel cleaner. Match coverage to room size and expect the unit to work harder through high-pollen weeks.

Air purifier and filter on a living room floor near a dog resting on a rug

Pet households and dander

Pet dander clings to soft furnishings and keeps recirculating through the room. Filters rated for airborne particles reduce that load, and regular changes matter more in homes with more than one animal shedding through the year.

Air purifier and carbon filter cartridge at the edge of an open-plan kitchen

Kitchen and cooking odours

Cooking smells travel beyond the kitchen within minutes in an open home. A cartridge with activated carbon targets odour molecules between particle changes, which suits spaces where dining and living areas share one air supply.

Air purifier with a spare filter in a bright living room during spring

Whole-room allergy seasons

For households managing dust, pollen and seasonal symptoms, look at both capture percentage and room coverage. A unit sized for the space keeps cycling air through the day rather than only when someone walks past it.

Compact air purifier and filter cartridge beside a home office desk

Office and desk-side spaces

Compact units suit desks and small studies where air turns over quickly. Smaller cartridges cost less to replace, so keeping a spare on the shelf removes the usual delay when performance starts to dip.

Filter cartridge and open filter compartment on an air purifier being prepared for a change

Keeping existing units running

If you already own a Winix purifier, the filter is the maintenance decision that matters most. Confirm the part letter, note when it last changed, and buy before the indicator alerts rather than after.

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Match Fit, Filtration and Odour Control

Filter cartridge held beside the model number plate of an air purifier

Match your model

Filters fit one unit, so match the model number before you order.

Layered filter media showing a pleated HEPA sheet and a dark carbon layer

Filtration stage depth

A True HEPA stage traps 99.97% of particles that carbon misses.

Used filter with gray carbon panel beside an open kitchen window

Carbon and odour control

Activated carbon cuts cooking smells and pet odours between changes.

Air purifier control panel glowing beside a dusty spent filter cartridge

PlasmaWave limits

PlasmaWave aids filtration but never replaces worn filter media.

Air purifier with filter placed in a spacious open-plan living room

Room size coverage

Larger rooms need bigger units, or filters wear out much sooner.

Two filter cartridges and a small calendar on a tidy desk

Filter cost over time

Genuine filters cost more now but keep sensor readings honest.

Find your direction

Three Ways to Narrow the Shelf

Single model-specific filter cartridge beside an air purifier on a wooden floor
Model-specific replacement cartridges

If you know your exact unit, a model-specific cartridge is the safest match. Fit is confirmed by the model number, so airflow and sensor readings stay as intended with no guesswork at installation.

One genuine filter cartridge shown between two different sized air purifiers
Multi-model genuine filter options

One filter covering several Winix models simplifies stocking a home with mixed units. Check the compatibility list first, since a shared part number only fits the models named on it, not the whole brand range.

Carbon filter cartridge beside a stove with a simmering pot in soft focus
Odour-focused carbon cartridges

Choose activated carbon heavy options when cooking smells or pet odours are the main complaint. These cartridges target odour molecules between filter changes, while True HEPA media still handles the particles you can see.

From shoppers

What Buyers Notice After a Few Weeks

I spent an evening checking model numbers and filtration stages because I did not want to order the wrong cartridge twice. The comparison made the trade-offs obvious, and once the fresh filter went in the bedroom air felt noticeably cleaner by the next morning.
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Marisol P.Compared filters for two bedrooms before ordering
Dander was the reason I started looking. Reading the capture percentages and the guidance on replacement timing gave me a realistic expectation instead of a promise, and after a few weeks the living room holds up better between vacuuming sessions.
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Devin R.Bought for a home with two shedding dogs
Every brand leans on technology names, so I appreciated explanations that said what PlasmaWave does and does not do. Knowing it supports rather than replaces the filter stopped me from delaying changes, and maintenance finally feels like a schedule I can keep.
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Aisha K.Wanted plain answers on PlasmaWave and filter life
I compared prices at a couple of stores before committing and used the filter cost guidance to judge value rather than the sticker alone. Ordering the right fit the first time saved me a return, which mattered more than saving a few dollars.
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Tom W.Shopped across retailers for a fair price
My purifier had been running with tired media for longer than I realised. The buying guide pointed out the signs to look for, and fitting a fresh cartridge brought back the performance I remembered when I first bought the unit.
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Grace L.Replaced worn media in an older unit
Questions shoppers ask

Practical Answers Before You Order

Start with the model number printed on your unit or old cartridge, then match it to the filter letter in the product title. Winix filters are cut for specific housings, so a close-but-wrong size will not seat properly or seal the airflow.
Follow the unit’s replacement indicator when it has one; otherwise many homes land around six to twelve months, depending on pets, smoking and cooking. Check the pleats: grey, dust-loaded media means airflow has already dropped, so waiting longer only costs performance.
No. PlasmaWave is an ionisation step that helps reduce pollutants between filters; it does not trap particles. Filter life still depends on dust load, so treat PlasmaWave as useful support for the system rather than a reason to extend changes.
Genuine filters are moulded to the housing and use the media the sensor and airflow were tuned around, so readings stay honest. Third-party options can be cheaper per unit, but if the seal or pleat depth differs you may lose airflow and pay again sooner.
A True HEPA stage is rated to capture 99.97% of airborne particles at 0.3 microns, which covers pollen, fine dust, pet dander and smoke particles. It works alongside a carbon layer that handles the odours HEPA media cannot absorb.
You can, but performance will fall short of the unit’s rating until the fresh media goes in. If odours or allergy symptoms are the reason you bought it, plan the change sooner rather than later and keep the worn cartridge out of the airflow path.

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