PETKIT Purobot Max 3 with N50 Automatic Cat Litter Tray

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Product guide

PETKIT Purobot Max 3 with N50 Automatic Cat Litter Tray

The PETKIT Purobot Max 3 with N50 is an automatic self-cleaning cat litter tray with a low entrance, app controls and a sealed waste bin. Its 76L size and claimed multi-cat suitability may appeal to homes seeking less manual scooping, while its 14.2-kilogram listed weight and 63.5 cm length call for space planning.

At a glance

Automatic cleaning is described as starting after the cat leaves, with waste deposited in a sealed bin.
The listing claims a 7L waste bin can provide up to 15 days of automatic scooping convenience. Actual interval depends on use.
App controls include cleaning modes, and the listing says the device records cat toilet frequency, duration and activity trends.
A low-threshold entry and 76L interior are promoted for larger cats and multi-cat households.
The included N50 2.0 deodorant is described as breaking down ammonia, with a stated 30-day filter life.

Price

£439.99Save 27%

Reference price: ~~£599.99~~

Price checked: 14 Nov 2026

View offer

Often bought together

PETKIT Premium Clumping Cat Litter, 5 in 1 Mixed Cat Litter(28L), Low Tracking, 99.9% Dust Free, Superior Odour Control, Long

£47.49

PETKIT Cat Litter Box Liners for PURA MAX Pro and PURA MAX 2 Self Cleaning Cat Litter Tray, Replacement Waste Bags, 49.5 * 40

£8.49

Pros and cons

Pros

Low-entry design may be easier for older or short-legged cats to access.
Sealed waste storage and the N50 deodorant system offer two mechanisms aimed at limiting odour.
App-set cleaning options and weight-based cat identification are intended to make multi-cat tracking more manageable.
Listing says the tray accepts clumping litter across several types, with a stated particle-length limit for bentonite.

Cons

At 63.5 cm long and 14.2 kg, it needs a substantial, planned location and may be awkward to move.
The stated 18-pound maximum weight capacity may limit suitability for heavier cats.

Technical specifications

22 specifications

Identity
Brand	PETKIT
Model	Purobot Max 3 with N50

Dimensions and installation
Listed dimensions	63.5L x 54W x 55H centimetres
Listed weight	14.2 Kilograms

Materials and protection
Listed material	Acrylonitrile Butadiene Styrene (ABS)

Design and operation
Size	76L
Litter box type	Automated Self-Cleaning Litter Box
Maximum weight capacity	18 Pounds
Colour	White
Style	low entry/app control/automatic cleaning/odour control/one-tap litter empty/anti-pinch
Lid	Yes
Pet type	Cat

Cleaning and litter
Waste-bin capacity	7L
Claimed hands-free cleaning time	up to 15 days
Compatible litter	all types of clumping cat litter, including clay, tofu, mixed, and bentonite litter(length less than 1.27cm)
Cleaning modes	[Auto Mode, Auxiliary Landfill Covering Mode, Timer Mode and Litter Empty Mode]
Odour eliminator filter life	30 days

Safety and monitoring
Sensors	11 Sensors
Opening design	half-gear design, ensuring the opening remains open at all times during operation
App tracking	toilet frequency, duration and activity trends

Construction and leakage claims
Opening size	10.5 inch
Base seal claim	360° seal

What to know before buying

The stated up-to-15-day interval is a manufacturer claim tied to the 7L bin, not a guaranteed maintenance-free period. N50 filter replacement is listed at 30 days. Confirm dimensions and litter compatibility for your setup.

What’s in the box

Included

Clay litter sifter x1
Cat litter remover x1
Odor eliminator N50 2.0 x1
PETKIT Purobot Max 3 x1
Sticker * 1
Waste bag x1 rolls

Who is it for?

A good fit for

Households looking to reduce routine scooping with an automatic cleaning cycle and sealed waste bin.
Multi-cat homes interested in app-based usage records and weight-based identification.
Cats that may benefit from a lower entry, subject to the listed weight capacity.

Less suited to

Buyers without space for a tray measuring 63.5L x 54W x 55H centimetres.
Cats above the listed 18-pound maximum weight capacity.
Households wanting a maintenance-free system, since waste and the odour-control filter still require attention.

PETKIT Purobot Max 3 with N50 Automatic Cat Litter Tray · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 1,327 ratings

5 stars72%72%
4 stars11%11%
3 stars5%5%
2 stars3%3%
1 star9%9%

Customer feedback highlights ease of use, quiet operation, odour control, size and weight tracking, though some customers report problems with operation and experiences of cleaning and leak resistance are mixed. Positive comments about these features are relevant to this model’s app tracking, sealed waste bin and leak-control claims, but do not establish how consistently they perform. Value opinions are also mixed. The product rating is mostly positive overall, but ratings alone do not explain individual experiences.

Positive themes

Customers are described as appreciating ease of use, quiet operation, odour control, size and weight tracking.

Negative themes

Some customers reportedly say the product does not work properly.

Mixed feedback

Feedback on cleaning and value for money is mixed.
Leak-proof performance receives mixed feedback, despite reports of success with cats that urinate near the sides.

Frequently asked questions

How often does the waste bin need emptying?

The listing claims up to 15 days of use from its 7L bin. This is not a fixed interval, so plan to check and empty it according to your household’s use.

Which litter can it use?

The listing says it works with clumping litter, including clay, tofu, mixed and bentonite types. It specifies a length under 1.27cm for the litter it describes.

Does the tray track more than one cat?

The listing says the app identifies cats by weight and records toilet frequency, duration and activity trends. It does not establish how reliably this works in every household.

What maintenance does the odour-control system require?

The listing describes an N50 2.0 deodorant and says each filter lasts 30 days. Treat this as a stated replacement interval, not a performance guarantee.