Set of 4 leg extensions fit on the Neater Feeder Large Deluxe. They will add an additional 3" to the height of the feeder, raising the feeding height (at the rim of the bowl) from 8" to 11". Large Leg Extensions also fit the Giant Bowl. Please note these do not fit the Neater Feeder Express or the Big Bowl. Also, you cannot stack leg extensions on top of each other. Gunmetal Grey 100-252-GM