PETKIT Pura Max 2.

The Gavler Review.

PETKIT Pura Max 2 Review: A Value Globe With One Real Flaw

The PETKIT Pura Max 2 sits at rank five on our Best Automatic Litter Boxes list with an 8.4, and its case is simple: real enclosed-globe sifting, 11 safety sensors, and a leak-proof liner at roughly half of what a Litter-Robot 4 costs. Cats.com's Katelynn Sobus, who tested it for weeks across her seven-cat household, scored it 3.8 out of 5 — genuinely strong on odor control and safety, but let down badly by a deep-cleaning process built around an add-on part that, in her words, "did the job more poorly than any other automatic litter box I've tried." Buy it for the price and the safety architecture; budget extra patience for the one part of the routine PETKIT hasn't gotten right yet.

What it actually is

Verified against the current US listing (Amazon /dp/B0DFYF2D7D), the Pura Max 2 is a 76-liter enclosed cylinder with a 7-liter waste bin, a 7.87-inch (20cm) entry height, and a 3.3-to-22-pound weight range for cats six months and older. It runs on a 2.4GHz app connection, operates around 35dB, and uses PETKIT's ShieldBase 360-degree cylinder seal alongside an N50 odor cartridge and an optional Air Purifier Smart Spray that PETKIT says kills 99% of bacteria inside the drum. Seven infrared and weight sensors — 11 total safety sensors by PETKIT's count — pause the drum if a cat approaches, and the unit ships with two interchangeable sifters tuned for either fine clay granules or the longer particles common in tofu litter.

Unlike side-to-side rotating designs, the Pura Max 2's drum scoops by rolling forward and back and is engineered so it never fully closes — the entrance stays open even mid-cycle, which is the specific pinch-hazard mitigation PETKIT and Cats.com both point to. It's designed for hard flooring rather than carpet, though Sobus tested it on carpet with the auto-scoop function manually disabled for safety, at the cost of some weight-sensor accuracy.

In use — strong scooping, a genuine cleaning miss

Sobus's day-to-day experience with her smaller cats was positive: "The scooping worked just as it should," and the leak-proof liner held up "even when my cat urinated a large amount at the very back of the liner." Setup required little assembly and paired with the PETKIT app without difficulty. As with most automatic boxes in her testing, cats above ten pounds largely ignored it — "unsurprising," in her assessment, and consistent with the unit's 22-pound ceiling.

The deep-cleaning process is where her review turns sharply critical. Emptying the drum fully requires a separate "magnetic cat litter remover" accessory, which she'd hoped would streamline the process. Instead: "the PuraMax did the job more poorly than any other automatic litter box I've tried, while taking much longer to empty. After two attempts, I gave up on it emptying itself and finished the job with my vacuum." She did credit the included waste bags as unusually sturdy — "I didn't have that worry with these" — and praised the always-open entrance as a genuine safety win: "a door that's always open so your cat can't get stuck inside if the sensors fail."

Owner sentiment splits along similar lines. One Amazon reviewer who upgraded from the original Pura Max wrote that "it's much quieter and faster than the original," praising the magnetic sifting grates for being easier to attach. A Chewy buyer who replaced a broken three-year-old Litter-Robot called the Pura Max 2 "a game-changer" for a one-cat household, citing lower litter usage and quiet operation. On the negative side, one Amazon reviewer reported the auto-clean function never engaged despite troubleshooting, and a Chewy buyer who paid roughly $600 for a bundle reported their larger cat wouldn't fit inside and began eliminating outside the box — a direct hit against the 22-pound weight cap.

Strengths

Eleven safety sensors and an entrance that never fully closes are real, tested safety features, not marketing language — Cats.com's own review calls out the always-open door specifically. The 7.87-inch entry is genuinely lower than most enclosed globes, which matters for older or arthritic cats that struggle with a Litter-Robot's taller step-up. The leak-proof liner performed under real stress-testing, and at roughly $300, the Pura Max 2 undercuts a Litter-Robot 4 by $400 or more while still delivering real automated sifting.

Trade-offs — who should skip it

The deep-cleaning process is the honest weak point here, not a minor quibble — Cats.com's reviewer, who has tested a dozen-plus automatic litter boxes, rated this one specifically worse than the others she's tried at emptying itself. Skip it if hands-off deep cleaning is non-negotiable for you. Skip it too if your cat is over 22 pounds; the weight cap is real and enforced by the interior dimensions, not just a suggestion. And PETKIT's own US storefront has already shifted its hero product to the Purobot Max 3, a signal that Pura Max 2 support and updates may thin out over time.

How it compares

Against the Litter-Robot 4 (rank one on this list), the Pura Max 2 trades a sealed carbon-filtered drawer and deeper US support bench for a $400 price cut — a real trade for a budget-conscious single-cat household, less so for anyone who values hands-off deep cleaning. Against the Neakasa M1 Open-Top (rank six), the choice comes down to enclosure: Pura Max 2 for sealed-drawer odor control if your cat will use a tunnel, Neakasa if your cat has already walked away from one.

The Gavler verdict

An 8.4 for a genuinely capable value globe undercut by one real, documented flaw. The safety sensors, leak-proof seal, and low entry height are all legitimate wins at this price point, and daily scooping performs as advertised. But go in with eyes open about the deep clean — Cats.com's own extensive tester rated it the worst-performing self-empty mechanism in her testing history, and a vacuum should be part of your maintenance routine, not a backup plan.

Common Questions

Is the PETKIT Pura Max 2 worth it in 2026?

For a budget-conscious household with a cat under 22 pounds, yes, with one caveat. Cats.com's Katelynn Sobus tested it for weeks and scored it 3.8/5 — she praised its odor control, safety sensors, and leak-proof liner, but the deep-cleaning process disappointed her badly enough that she gave up on the self-emptying feature entirely and finished the job with a vacuum. At roughly $300, it's still real automated sifting for about half the cost of a Litter-Robot 4, but budget for a messier deep clean than the marketing suggests.

What's wrong with the Pura Max 2's self-emptying feature?

It requires an add-on part called the 'magnetic cat litter remover' to fully empty the drum, and in Cats.com's testing it performed the job 'more poorly than any other automatic litter box I've tried, while taking much longer to empty.' After two attempts, the reviewer gave up and finished emptying it by hand with a vacuum.

PETKIT Pura Max 2 vs Litter-Robot 4 — which should I buy?

Buy the Pura Max 2 if $300 is your ceiling, your cat is under 22 pounds, and you're comfortable finishing the deep clean yourself when the magnetic litter remover falls short. Buy the Litter-Robot 4 if you want a sealed carbon-filtered drawer, US-based support, and a cleaning process that Cats.com's own testing rated meaningfully more reliable.

Does the PETKIT Pura Max 2 work for large cats?

No — the official weight cap is 22 pounds, and one Chewy reviewer who paid roughly $600 (bundle pricing) for the unit reported their larger cat wouldn't fit and ended up eliminating outside the box. The 7.87-inch entry height is genuinely low, which helps older or arthritic cats, but the interior itself isn't built for large breeds.