Specialty replacement filter set
Winix Filter A +SmokeGuard – 1712-0004-11 replacement filter
Fits 5300, 5300-2, 5500, 6300, 6300-2, 9800, AM90, C535, C909, P300. 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.
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Filter A +SmokeGuard 1712-0004-11
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Check eBay prices for 1712-0004-11Frequently asked questions
How often should I replace the Winix Filter A +SmokeGuard (1712-0004-11)?
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 A +SmokeGuard 1712-0004-11?
According to the official Winix product page, Filter A +SmokeGuard (1712-0004-11) fits Winix 5300, Winix 5300-2, Winix 5500 and 7 more models. Verify the model label on your unit before ordering.
Is the Filter A +SmokeGuard (1712-0004-11) washable?
No. Winix does not describe Filter A +SmokeGuard (1712-0004-11) as washable; replace it on schedule. Only the fine-mesh pre-filter built into the unit is permanent and washable.
Do aftermarket 1712-0004-11 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 1712-0004-11 and check seller details before buying.
Source
Official Winix America product page identifies Filter A +SmokeGuard, SKU 1712-0004-11, as compatible with models 5300, 5300-2, 5500, 6300, 6300-2, 9800, AM90, C535, C909 and P300.