The Samsung AX32BG3100GBSA takes the Samsung CFX-K100/GB 2-in-1 Filter (Essential AX32) as its filter; replace it every 6 months; Australian sellers list it from A$44.00 each as of 26 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your air purifier
Samsung AX32BG3100GBSA
Air purifier
Confirmed against Samsung's listConfirmed against Samsung's own compatibility list
Not yours? ChangeSave it · remind me every 6 months
Takes the CFX-K100/GB filter
CFX-K100/GB 2-in-1 Filter (Essential AX32) · replace every 6 months · check the code printed on your old filter before ordering.
Your air purifier
Air purifier
Confirmed against Samsung's listConfirmed against Samsung's own compatibility list
Takes the CFX-K100/GB
Filter · every 6 months · check the code on your old filter.
Other Samsung air purifiers and their filters
The CFX-K100/GB fits the AX32BG3100GBSA only. These Samsung models take a different filter:
GenuineGenuine Samsung
$119.00
Samsung · 29 OctLowest genuine · Samsung · checked 29 Oct
CompatibleCompatible option
$44.00 each
2-pack $88.00
eBay AU · 26 OcteBay AU · checked 26 Oct
Check sellerCheck seller details
Genuine: made by Samsung. Compatible: another brand. Check certification on the seller's page.Genuine is made by Samsung. Compatible is made by another brand. Check the seller's certification details before choosing.
Lowest compatibleLowest compatible price · $44.00 each · 2-pack $88.00
eBay 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 4 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
3 listings from 2 sellers
Opens eBay 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 6 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the filter in your Samsung AX32BG3100GBSA
Watch the guide or follow the steps.
- 1Switch off and unplug. Press down on the top of the purifier with your thumbs and pull the front panel toward you.
- 2Take out the pre-filter, then the old 2-in-1 filter.
- 3Remove the plastic wrap from the new filter and fit it the right way round.
- 4Push the pre-filter into the grooves at the bottom and clip in the top, then set the front panel into the bottom grooves and push it shut so all eight latches catch.
- 5Plug in and hold the sleep mode / filter reset button for more than 3 seconds to turn off the reminder.
Every number this part goes by
- Retail name:
- CFX-K100
- Retail name:
- CFX-K100/GB
- Retail name:
- CFX-K100GB
- Retail name:
- Samsung CFX-K100/GB
Sellers list any of these; they are the same part.
About your Samsung AX32BG3100GBSA
Samsung air purifier — AX32. Its filter is the CFX-K100/GB 2-in-1 Filter (Essential AX32), part CFX-K100/GB, changed every 6 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 Samsung model
Samsung1 model
Common questions
- Which filter fits the Samsung AX32BG3100GBSA?
- The Samsung AX32BG3100GBSA takes the Samsung CFX-K100/GB 2-in-1 Filter (Essential AX32). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Samsung AX32BG3100GBSA?
- Every 6 months. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the CFX-K100/GB in Australia?
- We track 4 Australian sellers for the CFX-K100/GB; the lowest listed price when we last checked was A$44.00 at eBay AU. Prices are re-checked daily and dated on this page.
- How do I fit the CFX-K100/GB in a Samsung AX32BG3100GBSA?
- 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 reminder?
- After fitting the new filter, hold the sleep mode / filter reset button for more than 3 seconds.
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