Clip the $1 off coupon and get the Petmate Open Cat Litter Box, Size M for only $3.99! OPEN-TOP KITTY LITTER BOX: This large cat litter pan provides ample space on all sides for cats to do their business comfortably, and is great for small cats or kittens to access , KEEPS LITTER CONTAINED: The jumbo cat litter box features a wide base to keep