The Coway Airmega 100 takes the Coway Airmega 100 Filter (3-in-1) (part 3116574) as its filter; replace it every 12 months; Australian sellers list it from A$19.95 each as of 26 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your air purifier
Coway Airmega 100
Air purifier
Confirmed against Coway's listConfirmed against Coway's own compatibility list
Not yours? ChangeSave it · remind me every 12 months
Takes the 3116574 filter
Airmega 100 Filter (3-in-1) · 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 3116574
Filter · every 12 months · check the code on your old filter.
Other Coway air purifiers and their filters
The 3116574 fits the Airmega 100 only. These Coway models take a different filter:
GenuineGenuine Coway
$59.00
JB Hi-Fi · 6 NovLowest genuine · JB Hi-Fi · checked 6 Nov
CompatibleCompatible option
$19.95 each
2-pack $39.90
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 · $19.95 each · 2-pack $39.90
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 6 listings from 3 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
2 listings from 1 seller
Genuine Coway
4 listings from 3 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 100
Watch the guide or follow the steps.
- 1Switch the purifier off, unplug it and turn it upside down.
- 2Hold the handle on the base cover and turn it anticlockwise to open it (clockwise closes it).
- 3Lift out the old filter. Take the new filter out of its plastic wrap and drop it in.
- 4Refit the cover, turn it clockwise to lock, stand the purifier up and plug it in.
- 5When the filter light is on, hold the filter button for 3 seconds to clear it.
Every number this part goes by
- Retail name:
- 3116574
- Retail name:
- 8809825508836
- Retail name:
- Airmega 100 composite filter
- Retail name:
- Airmega 100 filter
- Retail name:
- Airmega 100 filter set
- Retail name:
- Coway 100 filter
Sellers list any of these; they are the same part.
About your Coway Airmega 100
Coway air purifier — Airmega 100. Its filter is the Airmega 100 Filter (3-in-1), part 3116574, 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 100?
- The Coway Airmega 100 takes the Coway Airmega 100 Filter (3-in-1) (part 3116574). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Coway Airmega 100?
- Every 12 months. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the 3116574 in Australia?
- We track 3 Australian sellers for the 3116574; the lowest listed price when we last checked was A$19.95 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the 3116574 in a Coway Airmega 100?
- 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.
Something looks wrong with the Airmega 100 match? . Reports go to a person, not a bot.