How do I fit the LR3-CFSS?

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.

Litter box carbon filter

Litter-Robot carbon filter and seal strip kit LR3-CFSS for the Litter-Robot 3

LR3-CFSS

Fits 2 models · replace every month

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

GenuineGenuine Litter-Robot

$29.98 each

2-pack $59.95

Cat Evolution · 30 OctLowest genuine · Cat Evolution · checked 30 Oct

CompatibleCompatible option

See seller

No compatible seller tracked yetNo compatible seller tracked yet

Genuine: made by Litter-Robot. Compatible: another brand.Genuine is made by Litter-Robot. Compatible is made by another brand. Check the seller's page for the size and models it fits.

Lowest price · $29.98 each · 2-pack $59.95

Cat Evolution. Every seller we track is listed below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.

Open Cat Evolution · $29.98 each · 2-pack $59.95

Compare 1 seller

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

Genuine Litter-Robot

1 seller

Cat EvolutionGenuine · checked 30 OctGenuine part · Lowest genuinechecked 30 Oct$29.98 each2-pack $59.95OpenGo to seller

Open cheapest seller · $29.98 each · 2-pack $59.95

Opens Cat Evolution in a new tab. Their page is the source of truth for price, delivery and returns.

How long it lasts

Usually every month (the carbon filters, Whisker says; the seal strips when they are worn flat or peeling).

After replacing: No reset needed.

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.

How to change the LR3-CFSS carbon filter

Watch the guide or follow the steps.

How to Replace the Carbon Filter | Litter-Robot 3 · Litter-Robot (official)

1Pull out the waste drawer and find the carbon filter in the slot on its front wall.
2Push the top edge of the old filter down off the hooks and pull it out.
3Slide a new filter into the slot, bend the top edge under each hook and check it covers the vent.
4If the base seal strips are worn flat or peeling, replace them with the strips in the kit (Whisker's seal strip guide).
5Slide the waste drawer back in.

Every number this part goes byLR3-CFSS

Retail name:: LR3-CFSS

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.

Your appliance model

Fits these 2 Litter-Robot models3 Connect, 3 Open Air

Litter-Robot2 models

Whisker's kit with two carbon filters and a set of base seal strips.

Common questionsWhat does the LR3-CFSS fit? · How often should I replace the LR3-CFSS? · Where can I buy the LR3-CFSS in Australia?

What does the LR3-CFSS fit?: The Litter-Robot carbon filter and seal strip kit LR3-CFSS for the Litter-Robot 3 fits the Litter-Robot 3 Connect and 3 Open Air.
How often should I replace the LR3-CFSS?: Every month. It works less well as the filter fills up, so it's worth doing on time.
Where can I buy the LR3-CFSS in Australia?: We track 1 Australian seller for the LR3-CFSS; the lowest listed price when we last checked was A$29.98 at Cat Evolution. Prices are re-checked daily and dated on this page.
How do I fit the LR3-CFSS?: 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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