The PetKit Purobot Max 3 takes the PetKit N50 odour eliminator P9223 (3-pack) as its deodoriser; replace it every month; Australian sellers list it from A$7.82 each as of 28 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your litter box
PetKit Purobot Max 3
Self-cleaning litter box
Confirmed against PetKit's listConfirmed against PetKit's own compatibility list
Not yours? ChangeSave it · remind me every month
Takes the P9223 deodoriser
N50 odour eliminator P9223 (3-pack) · replace every month · check the code printed on your old filter before ordering.
Your litter box
Self-cleaning litter box
Confirmed against PetKit's listConfirmed against PetKit's own compatibility list
Takes the P9223
Deodoriser · every month · check the code on your old filter.
Other PetKit litter boxes that take the P9223
GenuineGenuine PetKit
$7.82 each
3-pack $23.45
Amazon AU · 28 OctLowest genuine · Amazon AU · checked 28 Oct
CompatibleCompatible option
$8.85 each
3-pack $26.55
Amazon AU · 28 OctAmazon AU · checked 28 Oct
Check sellerCheck seller details
Genuine: made by PetKit. Compatible: another brand.Genuine is made by PetKit. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest compatibleLowest compatible price · $8.85 each · 3-pack $26.55
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.
Other parts this litter box takes
- PetKit large trash bags P99042 for Purobot Max Pro and PuraMaxOpen PETKIT Australia$0.37 each · 80-pack $29.97
The waste drawer liner. Separate from the deodoriser.
Compare 2 sellers - PetKit trash bags P9901C for Pura X, PuraMax and Purobot Max 3Open Amazon AU$0.18 each · 120-pack $22.00
The waste drawer liner. PETKIT also lists its Automatic Litter Box Trash Bag (P9901C) for the Max 3. Separate from the deodoriser.
Compare 2 sellers
Compare 4 listings from 3 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
1 seller
Genuine PetKit
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 deodoriser is due — it's every month. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the deodoriser in your PetKit Purobot Max 3
Watch the guide or follow the steps.
- 1Slide the latch to unlock and pull out the waste bin.
- 2PuraMax 2, Purobot Max Pro / Max Pro 2 and Max 3: take the N50 out of its packaging and press it firmly into the slot on the waste bin lid.
- 3Original PuraMax: first remove the silicone cover on the waste bin lid, either by undoing its screw or cutting the silicone strip, then place the N50 on the lid.
- 4Slide the waste bin back in and lock the latch. Swap the block about every 30 days.
Every number this part goes by
- Retail name:
- EAN13N50-2
- Retail name:
- N50 2.0
- Retail name:
- N50-NEW
- Retail name:
- N50-NEW-2
- Retail name:
- P9223
- Retail name:
- Pet Odor Eliminator N50 2.0
- Retail name:
- PETKIT N50
Sellers list any of these; they are the same part.
About your PetKit Purobot Max 3
PetKit litter box, self-cleaning litter box — Purobot. Its deodoriser is the N50 odour eliminator P9223 (3-pack), part P9223, changed every month.
Other deodorisers the maker lists for this litter box: PetKit N60 odour eliminator P9224 (3-pack) (every 2 months). The N60 goes in the Smart Odor Eliminator, which the Basic version does not include; PETKIT says each lasts about 60 days.
Also in this litter box:
- PetKit large trash bags P99042 for Purobot Max Pro and PuraMax.
- PetKit trash bags P9901C for Pura X, PuraMax and Purobot Max 3. PETKIT also lists its Automatic Litter Box Trash Bag (P9901C) for the Max 3.
Where the model number is: The model name is on the maker's label on the back or base of the unit, on the box, and in the maker's app if it has one. Unplug the unit before you move it to look.
Fits these 5 PetKit models
Pura Max. On the original PuraMax, take the silicone cover off the waste bin lid (undo its screw or cut the strip) before fitting the N50, PETKIT Australia says.
Common questions
- Which deodoriser fits the PetKit Purobot Max 3?
- The PetKit Purobot Max 3 takes the PetKit N50 odour eliminator P9223 (3-pack). Compatible filters made to the same specification also fit.
- How often should I replace the deodoriser in my PetKit Purobot Max 3?
- Every month. It works less well as the filter fills up, so it's worth doing on time.
- Where can I buy the P9223 in Australia?
- We track 3 Australian sellers for the P9223; the lowest listed price when we last checked was A$7.82 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the P9223 in a PetKit Purobot Max 3?
- No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A spent filter or deodoriser stops holding the smell in, and a full or worn liner or tray lets waste stick and smell.
- How do I reset the reminder?
- The PETKIT app's device page shows how much life the odour eliminator has left; there is no separate reset for the N50.
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