Primary replacement filter set
Coway Max2 Filter – 3109144 replacement filter
Max2 Filter (3109144) fits Coway Airmega 250 and Coway Airmega 250S according to the cited Coway source.
3109144
Check official Coway availability
Non-affiliate link to the cited official product page.
Quick fit check
Max2 Filter fit and replacement facts
Coway lists the Max2 Filter life expectancy as one year, so replace the filter set every 12 months.
Cited package contents
Package details below come from the linked official source; recheck it before buying.
Max2 Filter 3109144
- 1 × Max2 Filter Set (HEPA filter & activated carbon filter) Replaceable Official source checked
Compatible Coway models
Follow a model link for its complete primary and optional filter list.
| Model | Filter | Part number | Role | Source | Marketplace |
|---|---|---|---|---|---|
| Coway Airmega 250 | Max2 Filter | 3109144 |
Primary replacement filter set | Coway Airmega 250 Max2 Filter Replacement for Air Purifier | Check prices |
| Coway Airmega 250S | Max2 Filter | 3109144 |
Primary replacement filter set | Coway Airmega 250 Max2 Filter Replacement for Air Purifier | Check prices |
Buying checklist
What to check in a filter listing
Confirm that the listing names part 3109144 and one of the compatible models: Coway Airmega 250 and Coway Airmega 250S. 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
Coway lists the Max2 Filter life expectancy as one year, so replace the filter set every 12 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.
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Frequently asked questions
How often should I replace the Coway Max2 Filter (3109144)?
Coway lists the Max2 Filter life expectancy as one year, so replace the filter set every 12 months.
Which Coway models use the Max2 Filter 3109144?
According to the official Coway product page, Max2 Filter (3109144) fits Coway Airmega 250 and Coway Airmega 250S. Verify the model label on your unit before ordering.
Do aftermarket 3109144 filters work?
Marketplace listings may be from the manufacturer or a third party. Match the exact part number 3109144, review the listing details, and verify the model label on your unit before buying.
Manufacturer source
Coway's official product description states that the package contains one Max2 Filter for Airmega 250 and Airmega 250S. The visible SKU is 3109144.
Coway Airmega 250 Max2 Filter Replacement for Air Purifier
Source compatibility checked 2026-07-19. Recheck the listing and your purifier label before ordering.