The Coway Airmega Mighty takes the Coway Airmega Mighty / 200M Standard Filter Set (GreenHEPA + 2 deodorisation) (part 3109689) as its filter; replace it every 12 months; Australian sellers list it from A$22.00 each as of 26 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your air purifier
Coway Airmega Mighty
Air purifier
Confirmed against Coway's listConfirmed against Coway's own compatibility list
Not yours? ChangeSave it · remind me every 12 months
Takes the 3109689 filter
Airmega Mighty / 200M Standard Filter Set (GreenHEPA + 2 deodorisation) · 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 3109689
Filter · every 12 months · check the code on your old filter.
Other Coway air purifiers that take the 3109689
GenuineGenuine Coway
$89.00
Coway Australia · 6 NovLowest genuine · Coway Australia · checked 6 Nov
CompatibleCompatible option
$22.00 each
2-pack $43.99
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 · $22.00 each · 2-pack $43.99
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 3 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
2 listings from 1 seller
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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 Mighty
Watch the guide or follow the steps.
- 1Unplug the purifier and pull the top of the front cover to open it.
- 2Press down on the clip at the top of the pre-filter and pull it out, then lift out the old deodorisation filter and GreenHEPA filter.
- 3Take the new filters out of their plastic. Fit the GreenHEPA filter first, then the deodorisation filter, then the pre-filter, each with its 'front' side facing out.
- 4Close the front cover and plug in. Keep the set's second deodorisation filter for the 6-month swap.
- 5When the Odor or HEPA light blinks, fit the matching filter and hold the Reset button for 2 seconds.
Every number this part goes by
- Retail name:
- 200M filter
- Retail name:
- 3109689
- Retail name:
- 3304899
- Retail name:
- 8809466829611
- Retail name:
- Airmega 200M filter
- Retail name:
- Airmega Mighty filter
- Retail name:
- AP-1512HH filter
- Retail name:
- AP-1512HH-FP
- Retail name:
- AP-1518R filter
- Retail name:
- Fresh Starter filter
- Retail name:
- Mighty filter set
Sellers list any of these; they are the same part.
About your Coway Airmega Mighty
Coway air purifier — Mighty. Its filter is the Airmega Mighty / 200M Standard Filter Set (GreenHEPA + 2 deodorisation), part 3109689, changed every 12 months.
Other filters the maker lists for this air purifier:
- Coway Airmega Mighty / 200M Pet Filter Set (GreenHEPA + 2 pet deodorisation) (every 12 months). Pet version of the Mighty / 200M set (2 pet deodorisation filters + GreenHEPA, Coway part 3119912); fits in place of the standard set.
- Coway Airmega Mighty / 200M Allergen Filter Set (GreenHEPA + 2 allergen deodorisation) (every 12 months). Allergen version of the Mighty / 200M set (2 allergen deodorisation filters + GreenHEPA, Coway part 3119914); fits in place of the standard set.
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 these 2 Coway models
Coway2 models
Common questions
- Which filter fits the Coway Airmega Mighty?
- The Coway Airmega Mighty takes the Coway Airmega Mighty / 200M Standard Filter Set (GreenHEPA + 2 deodorisation) (part 3109689). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Coway Airmega Mighty?
- Every 12 months. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the 3109689 in Australia?
- We track 3 Australian sellers for the 3109689; the lowest listed price when we last checked was A$22.00 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the 3109689 in a Coway Airmega Mighty?
- 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?
- The Odor light is for the deodorisation filter and the HEPA light for the GreenHEPA filter. After fitting the filter, hold the Reset button for 2 seconds. If you changed a filter early, hold Reset for 2 seconds, press it to pick Odor or HEPA, then hold it again for 2 seconds.
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