| 摘要 |
A bag sifting system, for use with a cat litter box in separating waste products and clumped litter from uncontaminated litter, using a plurality of bags which are extended over the litter box before the litter box is filled with litter. As the litter becomes partially soiled, an uppermost of the bags is lifted from the litter box. Each bag has a sifting region having a plurality of sifting holes which allow uncontaminated litter to fall onto the remaining bags in the litter box below. The waste products and clumped litter, being too large to fall through the sifting holes, remains in the bag. The bag has a non-sifting region without holes, such that the bag is then tilted and rotated so that the waste products and clumped litter fall into the non-sifting region, and are contained therein for disposal.
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