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PETLIBRO Luma (automatic litter box open-top litter box for large cats): our review

Brand: PETLIBROOur methodology

Overall scoreiScores based on a comparison of verified specifications across our catalogue. No hands-on testing. Comparison of documented models, not an exhaustive market survey. n is the number of models compared for each criterion. No hands-on testing.
7.6/10
Documentation: partialNot confirmed by a verified source: Cleaning.
View on Amazon →
Scale from 6.5 to 9.6, the actual range of our scores. The dotted line shows the average for models analysed. Comparison of documented models, not an exhaustive market survey. n is the number of models compared for each criterion. No hands-on testing.
Waste bin capacity: 8.5/10: 11 l, ahead of 59% of the models in the catalogue · n = 17. Average for models analysed: 8.1/10Unit weight: 6.6/10: 14.9730841337 kg, ahead of 0% of the models in the catalogue · n = 14. Average for models analysed: 8.1/10Equipment: 7.6/10: 3 of 20 tracked features documented, ahead of 24% of the models in the catalogue · n = 34. Average for models analysed: 8/10Waste bin capacity8.5/10 · avg. 8.1Unit weight6.6/10 · avg. 8.1Equipment7.6/10 · avg. 8
At a glance

PETLIBRO Luma offers a roomy drawer with an entrance worth considering

Luma combines an open tray with a waste drawer holding 11 L. That is a persuasive arrangement for a confident adult cat and an owner keen to reduce drawer emptying. The high entrance step makes us more cautious for cats whose movement has become less comfortable.

Verdict

7.6/10

Would this self-cleaning litter box earn its place beside the laundry?

Beside the laundry, Luma could take some of the litter routine out of an already crowded evening. We like its open tray and generous drawer, and it remains well placed overall in our scores. A useful household helper still needs the right household.

Our verdict: We recommend it for confident adult cats with a permanent litter spot. For a larger cat needing a higher supported weight limit, consider Neakasa M1 Plus for larger cats instead.

One caveat What holds us back is the weight of the appliance. Avoid it if keeping the floor clear involves regularly moving the litter tray between rooms.

Review by Romain Brunel, founder of Self Cleaning Litter Box Picks

Who it's for

A settled litter spot gives Luma room to fit into your routine

  • Confident adult cats accustomed to open trays
  • Homes with a dedicated utility room corner
  • Owners interested in recorded cat weight

This automatic litter box suits a confident adult cat that already uses an open tray willingly, within the manufacturer's supported weight range. It makes particular sense in a utility room with a dedicated corner, where you can reach the drawer without shifting the laundry basket every evening. Owners interested in recorded weight readings also have a reason to consider it.

Less suitable if

A cat that struggles with higher steps is a poor match for this entrance. Avoid choosing it simply because the tray is described as suitable for large cats: the manufacturer's weight limits and your cat's everyday movement still govern the choice.

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Dimensions

Will your utility room accommodate this automatic litter box?

Width59,2 cm
Depth57,3 cm
Height71,4 cm
Net weightApproximately 14,97 kg
Entry threshold34 cm
Opening widthNot disclosed
Usable interior volumeNot disclosed
Litter capacityNot disclosed
Waste drawer11 L

Specifications

An open tray and carbon filter shape the daily routine

Minimum cat weight1 kg
Maximum cat weight10 kg
Waste bin capacity11 L
Width59,2 cm
Depth57,3 cm
Height71,4 cm
Entry threshold height34 cm
Unit weight14,9730841337 kg
For which animal?Cat
Tray typeOpen
Cat sizeLarge cat
Cat monitoringWeight monitoring
Safety featuresPresence detection
Odor control systemCarbon filter
Cat trackingWeight tracking
DesignOpen litter box

Pros

Luma brings an open tray and a generous drawer to the litter routine

  • Generous waste drawer may reduce emptying frequency
  • Open tray for cats accustomed to that arrangement
  • Carbon filter provides the stated odour control feature
  • Weight monitoring provides readings to discuss with a vet
  • Presence detection stated by the manufacturer

Cons

These practical obstacles could change your choice

  • Heavy appliance makes regular repositioning awkward
  • High entrance step may challenge older or stiff cats
  • Waste drawer still needs emptying and cleaning

Our scores explained

How the drawer and equipment shape our assessment

Every model on the site is scored on the same criteria, using the same scale: its position among models with verified data for that specification. Last place earns 6.5, first place 9.6, and the rest are scored in proportion to their rank. Here is how this model's scores are calculated.

Two model counts: the rank and average include product pages on this site scored for the criterion; the calculation compares the model with all catalogue models whose specification is verified, with or without a product page. A score assigned at publication may remain without a verified specification, so the first count can sometimes be higher.

Waste bin capacity: 8.5/10

PETLIBRO Luma scores 8.5/10 on this criterion. Across the 14 product pages on the site with a score for this criterion, the average is 8.1: above average, Rank 5 out of 14.

View calculation
Shared baseline: last place in the ranking6.5
Waste bin capacity: 11 l ; 10 perform worse, 5 perform better, 2 are tied (including this model), among the 17 catalogue models with this specification verified+2
Waste bin capacity score8.5/10

Calculation: (10 + 2 ÷ 2) ÷ 17 = 64.71% of the ranking; 6.5 + 64.71% × 3.1 = 8.5/10, rounded to one decimal place.

Unit weight: 6.6/10

PETLIBRO Luma scores 6.6/10 on this criterion. Across the 12 product pages on the site with a score for this criterion, the average is 8.1: below average, Rank 12 out of 12.

View calculation
Shared baseline: last place in the ranking6.5
Unit weight: 14.97 kg ; 0 perform worse, 13 perform better, 1 are tied (including this model), among the 14 catalogue models with this specification verified+0.1
Unit weight score6.6/10

Calculation: (0 + 1 ÷ 2) ÷ 14 = 3.57% of the ranking; 6.5 + 3.57% × 3.1 = 6.6/10, rounded to one decimal place.

Equipment: 7.6/10

PETLIBRO Luma scores 7.6/10 on this criterion. Across the 30 product pages on the site with a score for this criterion, the average is 8: below average, Rank 16 out of 30.

View calculation
Shared baseline: last place in the ranking6.5
3 features found out of 20 tracked: 8 perform worse, 17 perform better, 9 are tied (including this model), among the 34 catalogue models with this specification verified+1.1
Equipment score7.6/10

Calculation: (8 + 9 ÷ 2) ÷ 34 = 36.76% of the ranking; 6.5 + 36.76% × 3.1 = 7.6/10, rounded to one decimal place.

Recorded features: Cat monitoring (Weight monitoring), Safety features (Presence detection), Odor control system (Carbon filter).

The retailer does not specify: Waste management, Backup battery, Maintenance and removable parts, Consumables requiring replacement. These features are not counted.

Overall score: 7.6/10, the average of the 3 scores above.

Our full methodology

Detailed analysis

The cat has finished dinner, your favourite programme is starting, and the litter scoop is still waiting by the tray. PETLIBRO Luma offers an open automatic litter box with a generous waste drawer, a carbon filter and weight monitoring. The attraction is clear: less of the evening organised around litter. Its place in your home depends just as much on your cat's approach to the entrance as on the space available beside the laundry.

At 14,9730841337 kg, the Luma automatic litter box needs a settled home

The Luma asks you to settle its position before reorganising the utility room around it. At 14,9730841337 kg, this is a heavy appliance, so moving it whenever the floor needs attention could become an unwelcome extra chore. A permanent corner makes more sense than a spot you regularly clear for the washing basket.

Its width of 59,2 cm means allowing a dedicated stretch of floor beside your existing furniture. The depth of 57,3 cm needs clear space extending into the room, while the height of 71,4 cm makes the space beneath a shelf worth measuring too. Mark out the outline before ordering, then consider how you will reach the tray for ordinary upkeep.

Give it a proper home. In a bathroom, that means keeping the route to the basin usable rather than turning every visit into a sideways shuffle. The cat already occupies enough of the household without acquiring the entire floor plan.

Will your cat manage Luma's entrance step of 34 cm?

An open tray is a useful starting point for a cat accustomed to seeing the room around them while they use the litter. We like that straightforward arrangement, although the approach matters just as much as the tray itself. The entrance threshold is 34 cm, a high step that could be awkward for an older or stiff cat.

Think about the cat heading towards the tray just after tea. If getting onto the sofa already involves a pause and careful positioning, this entrance could make each visit more demanding. An automatic cleaning routine offers little comfort if reaching the litter becomes the harder part of the evening.

Luma is intended for large cats, but that description should not outweigh your own cat's movement or preferences. A confident adult accustomed to an open tray makes a more convincing match than a hesitant cat whose joints are beginning to dictate the household arrangements.

The Luma automatic litter box has a drawer holding 11 L

A waste drawer holding 11 L gives collected waste a substantial amount of space. That may mean longer gaps between emptying, which is an appealing prospect when the neighbour is feeding your cat while you are on holiday. Capacity does not promise a particular number of days. The number of cats using the tray and the litter involved will shape the routine.

In a household where cats share the same tray, watch how quickly the drawer fills before planning time away. The useful ambition is fewer interruptions to your evening, with emptying still firmly on the household calendar. Cats are unlikely to volunteer for that last part.

A carbon filter provides the stated odour control feature. On paper, it is a welcome addition when friends come round and the litter tray lives near the hallway. Keep drawer emptying and ordinary cleaning in the routine: a filter cannot make collected waste disappear.

Luma's cat weight limit of 10 kg gives you a clear boundary

The manufacturer's supported cat weight range runs from 1 kg to 10 kg. The upper limit covers most adult cats, while the lower limit matters if a growing kitten is waiting to join the household litter routine. A kitten below the manufacturer's minimum must not use automatic mode. That is an operating instruction, not an extra capability.

Weight monitoring adds a way to follow your cat's recorded weight. We would treat those readings as useful observations, with changes in weight or litter habits discussed with a vet. The readings cannot explain a medical problem, and they should never replace that conversation.

PETLIBRO describes presence detection as a safety feature. Follow the manufacturer's operating instructions when introducing your cat to the appliance. Taken together, the open tray, monitoring and stated detection leave Luma well placed overall in our scores. The deciding question remains how comfortably your particular cat can use it.

Our review points to different alternatives for different households

What would make you choose an alternative? Start with the practical obstacle in your own home rather than collecting extras. the lighter UBPet C41 has a lower unit weight of 10 kg, making it the relevant alternative if moving the appliance matters. UBPet C41 has a lower waste bin capacity of 6,7 L, so that change comes with less room for collected waste. Think about which task occurs more often in your home: relocating the tray or emptying its drawer.

Furbulous Box for an older cat has a lower entrance step of 24 cm, which makes it better suited to a cat finding higher steps difficult. For that household, easier access should carry more weight in the decision than the appeal of a roomy drawer. Getting to the litter comfortably comes first.

Neakasa M1 Plus is better suited to a larger cat, with a maximum supported weight of 15 kg. That higher manufacturer limit gives a heavier cat more room within the supported range. Let the cat's needs choose the shortlist.

Romain Brunel

Reviewed by Romain Brunel

Founder of Self Cleaning Litter Box Picks

We are the editorial team at Self Cleaning Litter Box Picks.co. We analyse manuals, technical specifications and buyer reviews to explain the differences between models. We pay particular attention to cycle safety, ease of access for your cat and cleaning requirements.

Updated on 10 October 2026

Frequently asked questions

Your questions about Luma before bringing it home

Can an older cat use Luma comfortably?

The entrance threshold is 34 cm, which is a high step for an older or stiff cat. Consider how your cat currently climbs into the tray and onto furniture. An open design does not remove the effort needed to reach it.

How often will Luma's waste drawer need emptying?

The waste drawer holds 11 L, giving collected waste substantial space. The interval between emptying depends on your cats and the litter used. Establish the routine at home before relying on it during a weekend away.

Can I keep using my current litter?

The brand does not specify compatible litter types here. Confirm suitability with the retailer before ordering, particularly if your cat uses silica or clumping litter, and check which replacement bags and filter supplies the appliance requires.

What should I check before ordering this automatic litter box?

Get the warranty, returns policy and after-sales arrangements from the retailer before committing. You want a clear route for help if something goes wrong, and clear return conditions if the appliance proves unsuitable for your home or cat.

At a glance

PETLIBRO Luma

7.6/10Overall score

Pros

  • Generous waste drawer may reduce emptying frequency
  • Open tray for cats accustomed to that arrangement
  • Carbon filter provides the stated odour control feature
  • Weight monitoring provides readings to discuss with a vet

Worth knowing first

  • Heavy appliance makes regular repositioning awkward
  • High entrance step may challenge older or stiff cats
  • Waste drawer still needs emptying and cleaning
View on Amazon → Check price and availability with the retailer
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