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Optional pet pre-filter pack

Winix Filter U 1712-0094-00 replacement filter

Filter U (part 1712-0094-00) fits Winix 5300-2, Winix 5500-2, Winix C535 and Winix HR900, according to the official Winix product page.

Official Winix fit · checked

Winix models that use Filter U 1712-0094-00

This filter is listed for 4 models. Open a model to see its complete list of primary, optional, and specialty filters.

Before you order

What to check in a 1712-0094-00 listing

  • The listing names part 1712-0094-00. Similar-looking filters are not proof of fit.
  • Your purifier is one of the compatible models: Winix 5300-2, Winix 5500-2, Winix C535 and Winix HR900.
  • The pack size and pieces included match what you need. Genuine and third-party filters can differ.
  • The total price with shipping, seller feedback, and delivery estimate work for you.

Care guidance

Replacement schedule

Winix recommends replacing Ultimate Pet Pre-Filters every month; this pack contains multiple pre-filters.

Usage conditions can affect service life. Follow the cited manufacturer guidance for this part.

Compare compatible options

These share at least one compatible model but may do a different job, such as a carbon pre-filter or a specialty version. Check each part page before buying.

Primary replacement filter set

Filter A

115115

Frequently asked questions

How often should I replace the Winix Filter U (1712-0094-00)?

Winix recommends replacing Ultimate Pet Pre-Filters every month; this pack contains multiple pre-filters.

Which Winix models use the Filter U 1712-0094-00?

According to the official Winix product page, Filter U (1712-0094-00) fits Winix 5300-2, Winix 5500-2, Winix C535 and Winix HR900. Verify the model label on your unit before ordering.

Do aftermarket 1712-0094-00 filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number 1712-0094-00, review the listing details, and verify the model label on your unit before buying.

Official compatibility record

Manufacturer source

Official Winix America product page identifies Filter U, SKU 1712-0094-00, as compatible with models 5300-2, 5500-2, C535 and HR900.

Winix America Filter U - 1712-0094-00

Source compatibility checked 2026-08-29. Recheck the listing and your purifier label before ordering.