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Primary replacement filter set

Winix Filter G 115122 replacement filter

Filter G (part 115122) fits Winix 5500, according to the official Winix product page.

Official Winix fit · checked

Winix models that use Filter G 115122

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

Before you order

What to check in a 115122 listing

  • The listing names part 115122. Similar-looking filters are not proof of fit.
  • Your purifier is one of the compatible models: Winix 5500.
  • 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 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.

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 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.

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.

Do aftermarket 115122 filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number 115122, 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 G, SKU 115122, as compatible with model 5500.

Winix America Filter G - 115122

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