Breaks down completely for thorough maintenance. Completely self-contained process, from collection to flushing to drying. Minimal cat box odor.
Significant amount of litter can get flushed away. Very long cleaning cycle, cats cannot return to box. Litter does not clump, but can be tracked through house.
Simple tilting maneuver separates clean/dirty litter. Tall enclosure minimizes room odor. Deep tray holds a lot of litter.
Plastic sifting grate tears easily. Litter can leak out or stick to grate. Tabs are not secure, creating a mess when they fail.
Very easy to assemble and clean. Crystal litter minimizes odors better than clay. Automatic rake sifts out feces and redistributes litter.
Uses a crystal litter that some cats will not use. Urine does not clump, just pools. Larger cat breeds may not fit comfortably.
Three level tray system is very efficient. Replaceable air filter included. Tray is deep, holds more litter than others in its price range.
Assembly can be a challenge. Large sifter holes allow solid waste to pass through. Litter clings to the sifter and bottom of tray.
Pellets can be washed and reused, saving time and money. Urine pads minimize odor, easy to replace. Minimal tracking reported.
Original litter pellets can be hazardous to some pets. Not suitable for larger cats. Urine can pool under tray.
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