Primary replacement filter set
Winix Filter G – 115122 replacement filter
Fits 5500. 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.
Compatible models
| Model | Filter | Part number | Role | Source | Marketplace |
|---|---|---|---|---|---|
| Winix 5500 | Filter G | 115122 |
Primary replacement filter set | Winix America Filter G - 115122 | Check prices |
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Filter G 115122
Start with the exact part number, then narrow by compatible model if needed.
Check eBay prices for 115122Frequently asked questions
How often should I replace the 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. The Filter Replacement Indicator LED on the unit also illuminates when a filter change is due.
Which Winix models use the Filter G 115122?
According to the official Winix product page, Filter G (115122) fits Winix 5500. Verify the model label on your unit before ordering.
Is the Filter G (115122) washable?
No. Winix does not describe Filter G (115122) as washable; replace it on schedule. Only the fine-mesh pre-filter built into the unit is permanent and washable.
Do aftermarket 115122 filters work?
Marketplace listings include both genuine Winix and aftermarket filters. Aftermarket filters are usually cheaper, but Winix states its limited warranty is voided if non-Winix brand filters are used in the unit. Match the exact part number 115122 and check seller details before buying.
Source
Official Winix America product page identifies Filter G, SKU 115122, as compatible with model 5500.