Why it matters
These filters fit the Litter-Robot 3. Each contains up to 105 g of activated carbon made from coconut shells and wood to absorb odor.
Replacement takes minutes with no tools, measuring or trimming. The pack has eight filters.
Who it's for, and who should skip it
Good fit if
- Litter-Robot 3 owners
- Odor-sensitive homes
- Stocking up
Look elsewhere if
- Other models
- Owners who want official-only parts
- Non-matching generations
Pros and cons
Pros
- More carbon
- Tool-free
- 8-pack
Cons
- LR3 only
- Third-party
- Ongoing cost
Limitations to weigh
- Compatibility is as the maker or seller states it; check your exact model name and generation before ordering.
- Use the cost-per-month calculator to compare what refills cost over a year, not per pack.
Specifications
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Material | Activated Carbon | Retailer |
|---|---|---|
| Scent | Unscented | Retailer |
| Form | Rectangular | Retailer |
| In the pack | 8 Count | Retailer |
| Model number | LR3 | Retailer |
| Dimensions (seller) | 10 x 3.5 x 0.62 inches; 5.29 ounces | Retailer |
| Fits | Litter Robot 3 | Retailer |
Alternatives worth comparing
More litter box supplies we cover
Final verdict
A useful odor refill for LR3 owners.
Where to buy
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Questions buyers ask
Do they fit the Litter-Robot 4?
No, they're for the Litter-Robot 3.
How many filters?
Eight.