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Primary replacement filter set

Winix Filter A – 115115 replacement filter

Filter A (115115) fits Winix 5300, Winix 5300-2, Winix 5500 and 7 more models according to the cited Winix source.

Official manufacturer Filter A 115115 Check official Winix availability Non-affiliate link to the cited official product page.
Marketplace search Check eBay prices for 115115 Sponsored eBay links. We may earn a commission from qualifying purchases.

Quick fit check

Filter A fit and replacement facts

Part number115115
Compatible models10
Filter rolePrimary replacement filter set

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.

Cited package contents

Package details below come from the linked official source; recheck it before buying.

Filter A 115115

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 Filter A 115115 Primary replacement filter set Winix America Filter A - 115115 Check prices
Winix 5300-2 Filter A 115115 Primary replacement filter set Winix America Filter A - 115115 Check prices
Winix 5500 Filter A 115115 Primary replacement filter set Winix America Filter A - 115115 Check prices
Winix 6300 Filter A 115115 Primary replacement filter set Winix America Filter A - 115115 Check prices
Winix 6300-2 Filter A 115115 Primary replacement filter set Winix America Filter A - 115115 Check prices
Winix 9800 Filter A 115115 Primary replacement filter set Winix America Filter A - 115115 Check prices
Winix AM90 Filter A 115115 Primary replacement filter set Winix America Filter A - 115115 Check prices
Winix C535 Filter A 115115 Primary replacement filter set Winix America Filter A - 115115 Check prices
Winix C909 Filter A 115115 Primary replacement filter set Winix America Filter A - 115115 Check prices
Winix P300 Filter A 115115 Primary replacement filter set Winix America Filter A - 115115 Check prices

Buying checklist

What to check in a filter listing

Confirm that the listing names part 115115 and one of the compatible models: Winix 5300, Winix 5300-2, Winix 5500 and 7 more models. 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 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.

Optional calendar tool

Plan your next filter change

Choose a date to download a calendar reminder based on the cited replacement guidance.

Filter A — True HEPA Filter 115115

The calendar reminder starts 12 months after this date and repeats on that schedule.

Filter A — Activated Carbon Filter 115115

The calendar reminder starts 3 months after this date and repeats on that schedule.

Your date is processed only in this browser. The .ics calendar file is generated locally on your device and is not uploaded to this site.

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 U

1712-0094-00

Optional pet pre-filter pack

Frequently asked questions

How often should I replace the Winix Filter A (115115)?

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 A 115115?

According to the official Winix product page, Filter A (115115) fits Winix 5300, Winix 5300-2, Winix 5500 and 7 more models. Verify the model label on your unit before ordering.

Do aftermarket 115115 filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number 115115, review the listing details, and verify the model label on your unit before buying.

Manufacturer source

Official Winix America product page identifies Filter A, SKU 115115, as compatible with models 5300, 5300-2, 5500, 6300, 6300-2, 9800, AM90, C535, C909 and P300.

Winix America Filter A - 115115

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