The PetSafe ScoopFree Ultra Self-Cleaning Cat Litter Box is an automatic litter box that uses crystal litter to absorb urine and dehydrate solid waste, making it low-maintenance and odor-free. It also comes with a privacy hood for cats who prefer enclosed spaces. However, it does require specific litter trays and can be noisy during the cleaning cycle.

The Modkat Litter Box is a stylish and functional option that comes with reusable liner bags for easy cleaning. Its top-entry lid helps reduce litter tracking and odor. However, it is more expensive than other options and may not be suitable for larger cats.

The Catit Jumbo Hooded Cat Litter Pan is a spacious and affordable option that comes with a hood and carbon filter for odor control. It's large enough to accommodate most cats, but may not be suitable for larger breeds. Some users have reported difficulty in assembling the litter box.

The Nature's Miracle Multi-Cat Self-Cleaning Litter Box is a high-capacity option that can accommodate multiple cats. It features a self-cleaning mechanism and odor control filters for a low-maintenance and odor-free litter box. Its high side walls and non-stick surface make for easy cleaning, but it comes with a higher price tag and some users have reported durability issues.

The Petphabet Covered Litter Box is an affordable and practical option for cat owners. Its covered design helps control odor, and it comes with a built-in litter scoop and storage for added convenience. However, it may not be suitable for larger cats, and some users have reported issues with the latch.