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The Biwave is a hooded automatic litter box that rakes clumps into a sealed waste drawer after each use, so you scoop less often. Its large enclosed body suits bigger cats and keeps litter and odor contained better than open pans. Against cheaper automatic boxes it offers self-cleaning convenience, but it is a plastic unit with a fixed rake design, so it is best for one or two cats and standard clumping litter. Owners of similar rake-style boxes report the usual trade-offs: less litter tracking, but more moving-part upkeep and a learning curve for skittish cats.
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Lowest price we've seen: $69.96 on Nov 9 at Newegg. Tracked across 1 store since Nov 9.
