Petkit Purobot Max 3
Petkit's wide-entry self-cleaning box with a 7 L side waste bin and a four-part OdorVoid odour system.
Purobot Max 3 dimensions: 24.4 x 21.2 x 21.7 in (footprint as published by Petkit), with a 8.03 in entry height.
- Dimensions
- 24.4 x 21.2 x 21.7 in
- Cat weight
- 3.3–22 lb
- Waste drawer capacity
- 7 L
- Entry height
- 8.03 in
- Availability
- Buy now
Specifications
20/21 published
| Multi-cat suitable | Yes |
|---|---|
| Minimum cat weight | 3.3 lbs |
| Maximum cat weight | 22 lbs |
| Waste drawer capacity | 7 L |
| Litter type required | Clumping clay, tofu, corn or bentonite litters |
| Proprietary litter required | No |
| Proprietary waste bags required | Yes |
| Subscription required | No |
| Cleaning cycle trigger | Automatic after the cat exits, with app scheduling |
| Adjustable cycle delay | Yes |
| App control | Yes |
| Weight sensing | Yes |
| Health monitoring | Yes |
| Odor control method | Four-part OdorVoid system with sealed waste bin |
| Entry height | 8.03 in |
| Interior dimensions | Not published |
| Footprint | 24.4 x 21.2 x 21.7 in |
| Operating noise | 35 dB |
| Power source | AC adapter, 12V/2A |
| Battery backup | No |
| Warranty | 24 months |
Values entered only where Petkit publishes them. We do not estimate, interpolate, or copy figures from reviews.
No active recall, checked 14 September 2026. How we check
Price & availability tracking
Methodology →- Current list price
- $399.99
- List price · checked Oct 27, 2026
- Currently listed price on petkit.com; the page shows a higher regular price.
- Last change
- ▲ +$24 (6.4%) from $375.99
- Oct 8, 2026
- Oct 6, 2026$375.99Buy now
- Oct 8, 2026$399.99Buy now
Where this price sits in the category
At $399.99, the Petkit Purobot Max 3 sits around the $399.99 median list price of the 45 robot litter boxes we track with a published price, in a range running from $129.99 to $999.
- Category low
- $129.99
- Median of 45
- $399.99
- Category high
- $999
Computed from manufacturer list prices held in the database when this page was rendered.
How the Purobot Max 3 differs from other Petkit models
Straight differences in the figures Petkit publishes for each model in this category. Attributes either model leaves unpublished are excluded rather than guessed.
vs Petkit Purobot Crystal Duo
Higher on the Purobot Max 3
Proprietary waste bags required: Yes on the Purobot Max 3 against No on the Purobot Crystal Duo.
Entry height: 8.03 in on the Purobot Max 3 against 7.08 in on the Purobot Crystal Duo.
Lower on the Purobot Max 3
Proprietary litter required: No on the Purobot Max 3 against Yes on the Purobot Crystal Duo.
Subscription required: No on the Purobot Max 3 against Yes on the Purobot Crystal Duo.
10 published attributes are identical on both models.
vs Petkit Purobot Max Pro 2
Lower on the Purobot Max 3
Waste drawer capacity: 7 L on the Purobot Max 3 against 8 L on the Purobot Max Pro 2.
Entry height: 8.03 in on the Purobot Max 3 against 10.03 in on the Purobot Max Pro 2.
14 published attributes are identical on both models.
vs Petkit Purobot Ultra
Lower on the Purobot Max 3
Waste drawer capacity: 7 L on the Purobot Max 3 against 10 L on the Purobot Ultra.
Entry height: 8.03 in on the Purobot Max 3 against 10.43 in on the Purobot Ultra.
13 published attributes are identical on both models.
What Petkit does not publish for this model
Petkit does not publish 1 of the attributes we track for the Purobot Max 3, listed below. Those rows read Not published rather than carrying an estimate.
- Interior dimensions
Purobot Max 3 questions answered from published data
- How much does the Purobot Max 3 cost?
- Petkit lists the Petkit Purobot Max 3 at $399.99. The previous list price we recorded was $375.99.
- What are the Purobot Max 3 dimensions?
- Petkit publishes the Purobot Max 3 footprint as 24.4 x 21.2 x 21.7 in. The published entry height is 8.03 in.
- What are the Purobot Max 3 specifications?
- Petkit publishes multi-cat suitable of Yes, maximum cat weight of 22 lbs, waste drawer capacity of 7 L, proprietary litter required of No, and app control of Yes for the Petkit Purobot Max 3. In total 20 of the 21 robot litter boxes attributes we track are published for this model; the rest read Not published.
- Does Petkit list the Purobot Max 3 with multi-cat suitable?
- Yes. Petkit lists multi-cat suitable as included on the Petkit Purobot Max 3.
- How does the Purobot Max 3 compare to the Purobot Crystal Duo?
- On manufacturer-published figures: The Purobot Max 3 lists a higher proprietary waste bags required and entry height. The Purobot Crystal Duo lists a higher proprietary litter required and subscription required. Every attribute either model publishes is set side by side on our comparison, with unpublished figures marked rather than guessed.