Coway filter finder

Coway air purifier replacement filters

Match your Coway purifier to its official replacement filter. Each of the 2 models below links to the Coway page that confirms the fit.

Search Coway models and part numbers

Use the model number on your purifier's label, or the part number printed on your old filter.

Matching filters appear as you type.

Start here

Model

Uses Max2 Filter 3109144

By part number

Primary replacement filter set

Part 3109144

Fits Airmega 250, Airmega 250S

By purifier model

Free download

Coway models are included in a spreadsheet with one row per official model-to-filter match, including the source link and replacement guidance.

Avoid ordering the wrong size

Read the model label
The model number is printed on a sticker on the back or bottom of your air purifier.
Match the part number
Search the model to see its primary filter name and exact manufacturer part number.
Compare and order
Check that the listing names the same part number, then compare price, pack size, and shipping.