Exemplary embodiments are directed to pool cleaners, generally including a canister body, a filtering medium assembly and a cyclone block. The canister body includes an inner chamber within inner walls of the canister body. The filtering medium assembly can be disposed within the inner chamber of the canister body. The cyclone block can be disposed within the inner chamber of the canister body and can be at least partially surrounded by the filtering medium assembly. The cyclone block includes a plurality of individual cyclone containers. A first cyclonic flow can be generated between the inner walls of the canister body and the filtering medium assembly. A second cyclonic flow can be generated within each of the plurality of cyclone containers.