Open-top automatic litter boxes

Luma

• 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
• Your cat avoids enclosed boxes — this is an open-top design

You use crystal, pine pellet and other pellet litter — the manufacturer excludes or advises against it

ScoopFree OpenSky

• You use clumping clay litter — the manufacturer's manual states this is supported
• Your heaviest cat is under 33 lb — the stated maximum according to the manufacturer
• Your cat avoids enclosed boxes — this is an open-top design

You use tofu, crystal, pine pellet and other pellet litter — the manufacturer excludes or advises against it

M1 Plus

• You use clumping clay litter — the manufacturer states this is supported
• Your heaviest cat is under 33 lb — the stated maximum according to the manufacturer
• Your cat avoids enclosed boxes — this is an open-top design

You use crystal, pine pellet and other pellet litter — the manufacturer excludes or advises against it

X5

• You use clumping clay litter — the manufacturer states this is supported
• Your heaviest cat is under 33 lb — the stated maximum according to the retail listing
• Your cat avoids enclosed boxes — this is an open-top design

CAST-500C open-top platform

• Your heaviest cat is under 15 lb — the stated maximum according to the retail listing
• Your cat avoids enclosed boxes — this is an open-top design
• Needs a 22.44 × 19.84 in floor area (445 sq in)

AS11

• Your heaviest cat is under 22 lb — the stated maximum according to the retail listing
• Your cat avoids enclosed boxes — this is an open-top design
• Needs a 20.27 × 21.5 in floor area (436 sq in)

MW-SC09 106 L

• Your heaviest cat is under 30 lb — the stated maximum according to the retail listing
• Your cat avoids enclosed boxes — this is an open-top design
• Needs a 22.48 × 24.8 in floor area (558 sq in)

Scooper Open-X

• You use clumping clay litter — the retail listing states this is supported
• Your cat avoids enclosed boxes — this is an open-top design
• Entry sits 13.8 in from the floor, which matters for kittens, senior or arthritic cats

Open-Top Automatic Litter Box

• Your cat avoids enclosed boxes — this is an open-top design
• Needs a 19.7 × 21.25 in floor area (419 sq in)

Autoscooper open-top (7 pairs of safety sensors)

• Your cat avoids enclosed boxes — this is an open-top design
• Needs a 15.75 × 21.06 in floor area (332 sq in)

M1 Plus Lite

• Your cat avoids enclosed boxes — this is an open-top design
• Uses brand-specific consumables (waste bags (1 roll / 15 pcs included))

MW-SC02 75 L

• Your cat avoids enclosed boxes — this is an open-top design

Open-top, 4 pairs infrared

• Your cat avoids enclosed boxes — this is an open-top design

Open Top L1

• Your cat avoids enclosed boxes — this is an open-top design

Open Top Design Self Cleaning Litter Box

• Your cat avoids enclosed boxes — this is an open-top design

XL open-top, 'Multi-Sensor Safety'

• Your cat avoids enclosed boxes — this is an open-top design
• Sold under more than one brand name at different price bands — compare the bands before choosing a seller