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Optional pet pre-filter pack

Winix Filter U – 1712-0094-00 replacement filter

Filter U (1712-0094-00) fits Winix 5300-2, Winix 5500-2, Winix C535 and Winix HR900 according to the cited Winix source.

Official manufacturer Filter U 1712-0094-00 Check official Winix availability Non-affiliate link to the cited official product page.
Marketplace search Check eBay prices for 1712-0094-00 Sponsored eBay links. We may earn a commission from qualifying purchases.

Quick fit check

Filter U fit and replacement facts

Part number1712-0094-00
Compatible models4
Filter roleOptional pet pre-filter pack

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

Compatible Winix models

Follow a model link for its complete primary, optional, specialty, and alternative filter list.

Model Filter Part number Role Source Marketplace
Winix 5300-2 Filter U 1712-0094-00 Optional pet pre-filter pack Winix America Filter U - 1712-0094-00 Check prices
Winix 5500-2 Filter U 1712-0094-00 Optional pet pre-filter pack Winix America Filter U - 1712-0094-00 Check prices
Winix C535 Filter U 1712-0094-00 Optional pet pre-filter pack Winix America Filter U - 1712-0094-00 Check prices
Winix HR900 Filter U 1712-0094-00 Optional pet pre-filter pack Winix America Filter U - 1712-0094-00 Check prices

Buying checklist

What to check in a filter listing

Confirm that the listing names part 1712-0094-00 and one of the compatible models: Winix 5300-2, Winix 5500-2, Winix C535 and Winix HR900. Similar-looking filters are not proof of fit.

Decide whether you want an OEM or aftermarket filter, then compare the included pieces, product photos, seller details, delivery estimate, and total price.

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 filters share at least one officially cited model within the same brand, but may serve a different primary or optional role. Check each part page before buying.

Filter A

115115

Primary replacement filter set

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.

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 2026-05-24. Recheck the listing and your purifier label before ordering.