Pura X

Purobot Max Pro 2

• You use clumping clay and mixed litter — the manufacturer's manual states this is supported
• Your heaviest cat is under 22 lb — the stated maximum according to the manufacturer
• Entry sits 10.03 in from the floor, which matters for kittens, senior or arthritic cats

You use pine pellet litter — the manufacturer excludes or advises against it

Purobot Ultra (P9903)

• You use clumping clay, tofu and mixed litter — the manufacturer's manual states this is supported
• Your heaviest cat is under 22 lb — the stated maximum according to the manufacturer
• Entry sits 10.43 in from the floor, which matters for kittens, senior or arthritic cats

Purobot Max 3 (P9906)

• You use clumping clay, tofu and mixed litter — the manufacturer states this is supported
• Your heaviest cat is under 22 lb — the stated maximum according to the manufacturer
• Entry sits 8.03 in from the floor, which matters for kittens, senior or arthritic cats

You use crystal litter — the manufacturer excludes or advises against it