The Coway Airmega 250 takes the Coway Airmega 250 / 250S Max2 Filter (part 3113039) as its filter; replace it every 12 months; Australian sellers list it from A$49.22 as of 26 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your air purifier
Coway Airmega 250
Air purifier
Confirmed against Coway's listConfirmed against Coway's own compatibility list
Not yours? ChangeSave it · remind me every 12 months
Takes the 3113039 filter
Airmega 250 / 250S Max2 Filter · replace every 12 months · check the code printed on your old filter before ordering.
Your air purifier
Air purifier
Confirmed against Coway's listConfirmed against Coway's own compatibility list
Takes the 3113039
Filter · every 12 months · check the code on your old filter.
Other Coway air purifiers and their filters
The 3113039 fits the Airmega 250 only. These Coway models take a different filter:
GenuineGenuine Coway
$115.90
Amazon AU · 26 OctLowest genuine · Amazon AU · checked 26 Oct
CompatibleCompatible option
$49.22
Amazon AU · 26 OctAmazon AU · checked 26 Oct
Check sellerCheck seller details
Genuine: made by Coway. Compatible: another brand. Check certification on the seller's page.Genuine is made by Coway. Compatible is made by another brand. Check the seller's certification details before choosing.
Lowest compatibleLowest compatible price · $49.22
Amazon AU. Compare with genuine below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
Compare 5 listings from 2 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
2 listings from 1 seller
Genuine Coway
3 listings from 2 sellers
Opens Amazon AU in a new tab. Their page is the source of truth for price, delivery and returns.
Not due yet?
Get a nudge when your filter is due — it's every 12 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the filter in your Coway Airmega 250
Watch the guide or follow the steps.
- 1Switch the purifier off, unplug it and pull the top of the front cover to remove it.
- 2Pull the pre-filter up and out, then lift out the old Max2 filter.
- 3Take the new Max2 filter out of its plastic and fit it with the green side facing the purifier (follow the arrow on the filter).
- 4Refit the pre-filter, then hook the two tabs at the bottom of the front cover into their slots and push it shut.
- 5Switch on and hold the filter reset button for 3 seconds.
Every number this part goes by
- Retail name:
- 3113039
- Retail name:
- Airmega 250 filter
- Retail name:
- Airmega 250 Max2 filter
- Retail name:
- Airmega 250S filter
- Retail name:
- AP-1720-FP
- Retail name:
- Max2Green filter 250
Sellers list any of these; they are the same part.
About your Coway Airmega 250
Coway air purifier — Airmega 250. Its filter is the Airmega 250 / 250S Max2 Filter, part 3113039, changed every 12 months.
Where the model number is: The model number is on the rating label on the bottom or back of the purifier; the old filter usually has its own code printed on the frame.
Fits this Coway model
Coway1 model
Common questions
- Which filter fits the Coway Airmega 250?
- The Coway Airmega 250 takes the Coway Airmega 250 / 250S Max2 Filter (part 3113039). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Coway Airmega 250?
- Every 12 months. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the 3113039 in Australia?
- We track 2 Australian sellers for the 3113039; the lowest listed price when we last checked was A$49.22 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the 3113039 in a Coway Airmega 250?
- No tools, a few minutes: 5 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- The fan works harder for less airflow, and the carbon layer stops taking smells out well before the filter looks dirty.
- How do I reset the filter light?
- Hold the filter reset button for 3 seconds. If you changed the filter early, hold the filter reset and light buttons together for 2 seconds to pick which filter to reset.
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