Excerpt - page 4: "... Covered litter boxes are good for humans, too, because they contain carbon filters that help control odor. SELF-CLEANINGSelf-cleaningboxes are a good option for cat lovers who want ..."
Excerpt - page 8: "... devices are available in pet stores. • If scooping the box is one of your least-favorite activities, purchase a self-cleaningcatbox that cleans itself every time your cat makes a ..."
Excerpt - page 22: "... Self-cleaningboxes have a mechanism that rakes the dirty litter after your cat has used the box. Although these boxes make your cleaning ..."
