The Levoit Core 400S takes the Levoit Core 400S-RF Original Filter (Core 400S, Core 400S Plasma Pro) as its filter; replace it every 6 months; Australian sellers list it from A$24.31 as of 26 October 2026. Fitment confirmed against the manufacturer's compatibility list.

Your air purifier
Levoit Core 400S
Air purifier
Confirmed against Levoit's listConfirmed against Levoit's own compatibility list
Not yours? ChangeSave it · remind me every 6 months
Takes the Core 400S-RF filter
Core 400S-RF Original Filter (Core 400S, Core 400S Plasma Pro) · replace every 6 months · check the code printed on your old filter before ordering.

Your air purifier
Air purifier
Confirmed against Levoit's listConfirmed against Levoit's own compatibility list

Takes the Core 400S-RF
Filter · every 6 months · check the code on your old filter.
Other Levoit air purifiers that take the Core 400S-RF
GenuineGenuine Levoit
$79.00
Levoit Australia · 5 NovLowest genuine · Levoit Australia · checked 5 Nov
CompatibleCompatible option
$24.31
Bunnings · 26 OctBunnings · checked 26 Oct
Check sellerCheck seller details
Genuine: made by Levoit. Compatible: another brand. Check certification on the seller's page.Genuine is made by Levoit. Compatible is made by another brand. Check the seller's certification details before choosing.
Lowest compatibleLowest compatible price · $24.31
Bunnings. 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 5 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
2 listings from 1 seller
Genuine Levoit
4 sellers
Opens Bunnings 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 Levoit Core 400S
Watch the guide or follow the steps.
- 1Unplug the purifier and turn it upside down or lay it on its side.
- 2Twist the filter cover on the base anticlockwise and lift it off.
- 3Lift out the old filter and vacuum out any dust or hair inside. Do not use water.
- 4Take the new filter out of its plastic, drop it in, refit the cover and twist clockwise to lock. Plug in and switch on.
- 5Reset the filter light by holding the filter reset button for 3 seconds (Core 400S Plasma: hold the Sleep button for 3 seconds).
Every number this part goes by
- Retail name:
- Core 400S filter
- Retail name:
- Core 400S-P-RF
- Retail name:
- Core 400S-RF
- Retail name:
- Core400S-RF
- Retail name:
- HEACAFLVNUS0051
- Retail name:
- HEACAFLVNUS0051A
- Retail name:
- LRF-C401S-P-WUS
- Retail name:
- LRF-C401S-WUS
Sellers list any of these; they are the same part.
About your Levoit Core 400S

Levoit air purifier — Core 400S. Its filter is the Core 400S-RF Original Filter (Core 400S, Core 400S Plasma Pro), part Core 400S-RF, changed every 6 months.
Other filters the maker lists for this air purifier:
- Levoit Core 400S-RF-PA Pet Allergy Filter (yellow) (every 6 months). Pet Allergy version of the Core 400S filter (yellow, Core 400S-RF-PA); fits in place of Core 400S-RF.
- Levoit Core 400S-RF-TX Toxin Absorber Filter (green) (every 6 months). Toxin Absorber version of the Core 400S filter (green, Core 400S-RF-TX): extra carbon for exhaust, smoke and fumes; fits in place of Core 400S-RF.
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 Levoit models
Levoit2 models
Common questions
- Which filter fits the Levoit Core 400S?
- The Levoit Core 400S takes the Levoit Core 400S-RF Original Filter (Core 400S, Core 400S Plasma Pro). Compatible filters made to the same specification also fit.
- How often should I replace the filter in my Levoit Core 400S?
- Every 6 months. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the Core 400S-RF in Australia?
- We track 5 Australian sellers for the Core 400S-RF; the lowest listed price when we last checked was A$24.31 at Bunnings. Prices are re-checked daily and dated on this page.
- How do I fit the Core 400S-RF in a Levoit Core 400S?
- 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 (Core 400S Plasma: the Sleep button) until the red filter light goes out.
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