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Winix 9000S replacement filter

Winix 9000S uses Filter D (part 114090) as its primary replacement filter set.

Quick fit check

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The official manufacturer source identifies these primary parts for the Winix 9000S.

Primary replacement filter set Filter D 114090
View part details Official Winix source

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All compatible part numbers

Primary, optional, specialty, and alternative filters are listed separately so you can match the role as well as the part number.

Filter Part number Role Source
Filter D 114090 Primary replacement filter set Winix America Filter D - 114090

Official compatibility record

Manufacturer evidence

Each compatibility and care statement below is reproduced from the cited official manufacturer record. Check the source again before ordering.

Filter D 114090

Official Winix America product page identifies Filter D, SKU 114090, as compatible with models 5000S, 9000S and 9300.

Source checked
Replacement guidance
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.
Guidance checked

Buying checklist

How to choose the right replacement

Match the Winix 9000S model label and the exact part number above. Marketplace listings can be OEM or aftermarket, and a similar-looking filter may have different dimensions.

Compare the listing title, product photos, included filter pieces, seller details, delivery estimate, and total price before you order.

Care guidance

Replacement schedule

  • Filter D 114090: 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.

Usage and air quality can affect service life. Follow the cited manufacturer guidance for each part.

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Frequently asked questions

What filter does the Winix 9000S use?

The Winix 9000S uses Filter D (114090). Each part number on this page is backed by an official Winix source.

How often should I replace the Winix 9000S filter?

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.

Where can I check replacement filters for the Winix 9000S?

This page links directly to the cited official Winix product page and shows sponsored individual eBay listings when a fresh exact-part snapshot is available, with an exact-part eBay search fallback. This site does not sell filters; match the part number and review the current source or seller listing before buying.