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Primary replacement filter set

Winix Advanced Odor Control Carbon Filter L – 118440 replacement filter

Advanced Odor Control Carbon Filter L (118440) fits Winix T1 according to the cited Winix source.

Official manufacturer Advanced Odor Control Carbon Filter L 118440 Check official Winix availability Non-affiliate link to the cited official product page.
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Quick fit check

Advanced Odor Control Carbon Filter L fit and replacement facts

Part number118440
Compatible models1
Filter rolePrimary replacement filter set

Winix does not publish a fixed interval for this filter; replace it when the unit’s Filter Replacement Indicator illuminates. Winix recommends replacing True HEPA filters every 12 months in general.

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 T1 Advanced Odor Control Carbon Filter L 118440 Primary replacement filter set Winix America Advanced Odor Control Carbon Filter L - 118440 Check prices

Buying checklist

What to check in a filter listing

Confirm that the listing names part 118440 and one of the compatible models: Winix T1. 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 does not publish a fixed interval for this filter; replace it when the unit’s Filter Replacement Indicator illuminates. Winix recommends replacing True HEPA filters every 12 months in general.

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.

Frequently asked questions

How often should I replace the Winix Advanced Odor Control Carbon Filter L (118440)?

Winix does not publish a fixed interval for this filter; replace it when the unit’s Filter Replacement Indicator illuminates. Winix recommends replacing True HEPA filters every 12 months in general.

Which Winix models use the Advanced Odor Control Carbon Filter L 118440?

According to the official Winix product page, Advanced Odor Control Carbon Filter L (118440) fits Winix T1. Verify the model label on your unit before ordering.

Do aftermarket 118440 filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number 118440, review the listing details, and verify the model label on your unit before buying.

Manufacturer source

Official Winix America product page identifies Advanced Odor Control Carbon Filter L, SKU 118440, as compatible with model T1.

Winix America Advanced Odor Control Carbon Filter L - 118440

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