Winix sells this as a one-year replacement filter set: replace the set every 12 months. The included AOC carbon filter is washable during that period.

View Filter T compatibility

Part lookup

Winix Filter S 1712-0096-00

Winix sells this as a one-year replacement filter set: replace the True HEPA filter every 12 months and the included activated carbon filters every 3 months.

View Filter S compatibility

Part lookup

Winix Filter Z 1712-0121-00

Winix sells this as a one-year replacement filter set and recommends changing it once every 12 months.

View Filter Z compatibility

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Winix Filter G 115122

Winix sells this as a one-year replacement filter set: replace the True HEPA filter every 12 months and the included activated carbon filters every 3 months.

View Filter G compatibility

Part lookup

GermGuardian Filter T FLT406

GermGuardian recommends replacing the combination HEPA and charcoal filter every 6 to 8 months.

View Filter T compatibility

Downloadable source-backed reference

Air purifier filter crosswalk CSV

The complete catalog is available in one deterministic row per official model-to-filter mapping, including source and replacement guidance fields.

Download the crosswalk CSV

Avoid ordering the wrong size

How to find your replacement filter

Read the model label

Find the model number printed on the back or bottom of your air purifier.

Match the part number

Use the lookup to confirm the primary filter name and exact manufacturer part number.

Check the listing

Before buying, compare the model and part number with the seller's photos and description.