... operation & easy maintenance;3, Fully Submersible Power Head Design;4, Muti-Stages Filteration System with Bio Sponges, Activated Carbon & Bio Glass Ring ... with accessories.Usage1. Fountain 2. Aquarium3. garden/Farm irrigation 4 Aquarium Small fish pond 5.Water supply for remote ares ... operating cost, and energy saving up to 50% than before 4. Completely non-corrosive 5. It has good waterproof, high ...