FitMatch
Litter-Robot carbon filters LR3-CF-6PK for the Litter-Robot 3 (6-pack)

Litter box carbon filter

Litter-Robot carbon filters LR3-CF-6PK for the Litter-Robot 3 (6-pack)

LR3-CF-6PK

Fits 2 models · replace every month

Wrong part, or your model missing? Tell us. A person checks every report.

Genuine

$14.17 each

6-pack $85.00

Cat Evolution · 30 Oct

Compatible

$2.75 each

8-pack $22.00

Amazon AU · 28 Oct

Check seller

Genuine: made by Litter-Robot. Compatible: another brand.

Lowest compatible · $2.75 each · 8-pack $22.00

Amazon AU. Compare with genuine below. Some links earn us a commission.

Open Amazon AU

Compare 3 listings from 2 sellers

AUD, before delivery. Each price shows when it was checked.

Open cheapest seller · $2.75 each · 8-pack $22.00

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 carbon filter is due — it's every month. One email two weeks before, no newsletter. Manage or stop it anytime.

Also saves the model to a FitMatch account under this address; the email signs you in, no password.

How to change the LR3-CF-6PK carbon filter

Watch the guide or follow the steps.

How to Replace the Carbon Filter | Litter-Robot 3 · Litter-Robot (official)
  1. 1Pull out the waste drawer. The carbon filter sits in the slot in the drawer's front wall.
  2. 2Push the top edge of the old filter down to free it from the hooks, pull it out of the slot and throw it away.
  3. 3Slide the new filter into the slot in the front wall.
  4. 4Bend the top edge and slide it under each hook so the filter covers the front vent completely. A little shedding is normal; wipe or vacuum it up.
  5. 5Slide the waste drawer back in.
Every number this part goes by
Retail name:
Litter-Robot 3 Carbon Filters
Retail name:
Litter-Robot III Carbon Filters
Retail name:
LR3 carbon filter
Retail name:
LR3-CF-2PK
Retail name:
LR3-CF-6PK
Retail name:
LR3-CF-6PK-PP-INTL

Sellers list any of these; they are the same part.

Will it fit your appliance?

Type your model number and we'll check it against the makers' lists.

Fits these 2 Litter-Robot models

Litter-Robot2 models

Common questions
What does the LR3-CF-6PK fit?
The Litter-Robot carbon filters LR3-CF-6PK for the Litter-Robot 3 (6-pack) fits the Litter-Robot 3 Connect and 3 Open Air. Compatible filters made to the same specification also fit.
How often should I replace the LR3-CF-6PK?
Every month. It works less well as the filter fills up, so it's worth doing on time.
Where can I buy the LR3-CF-6PK in Australia?
We track 2 Australian sellers for the LR3-CF-6PK; the lowest listed price when we last checked was A$2.75 at Amazon AU. Prices are re-checked daily and dated on this page.
How do I fit the LR3-CF-6PK?
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?
A spent filter or deodoriser stops holding the smell in, and a full or worn liner or tray lets waste stick and smell.
Is there anything to reset afterwards?
No reset needed.

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