A pool filter cleaning device comprising a containment chamber having a upper end, a lower end, and a circumferential sidewall. The sidewall has a water deflecting portion adjacent the upper end and the containment chamber is adapted to receive a dirty pool filter. A contaminant trap is provided that is releasably secured to the sidewall for capturing contaminants of the pool filter when the filter is sprayed with water. The contaminant trap can be removed from the sidewall for disposal into a trash receptacle. The cleaning device can be configured to have a expanded and collapsed configuration for easy transportation or storage.