You can only use this chute cover if the chute opening of your feeder housing where the food comes out is over 1 inch high (approximately 1 1/4") from the bottom of the feeder. If it is less than 1 inch, you have the early standard housing and will not be able to use this cover unless you also replace your housing with the optional housing. This chute cover is made out of a special polycarbonate material, which is very tough but is not guaranteed against breakage due to the nature and size of some pets or other outdoor animals. An outdoor feeder should always be protected accordingly. This chute cover will help prevent your cat or other small pet from being able to extract food from the Super Feeder when installed with its dedicated INDOOR stand.