Abstract: An apron adapted to be fitted to an existing sanitary facility for animals having a pan containing litter and a cover. The apron includes a shallow tray which is divided into first and second compartments wherein the first compartment has a top wall formed with an opening for receivably mounting the pan therein. A plurality of serrations are formed in the top wall to provide a number of breakaway portions to form various size pan receiving openings. The second compartment extends in front of an access opening formed in the pan cover and a screen is mounted over an open top of the compartment. As the animal exits the pan through the cover opening it passes over the screen, whereby debris trapped in the animals paws will be dislodged and will and pass through the screen and into the second compartment. A vanity panel extends in front of the access opening, on the opposite side of the screen from the cover opening to prevent the animal from jumping over the screen without first walking over the screen.