Perfect New Fish Tank Aquarium 528 gph 13W UV Sterilizer Submersible Filter Pond Pump CUP-613 / UVCP-13 Fresh Water or Salt Water Perfect New Fish Tank Aquarium 528 gph 13W UV Sterilizer Submersible Filter Pond Pump CUP-613 / UVCP-13 Fresh Water or Salt Water Dimension: 12.5" L X 3.5" W X 4" H/ Flow rate: 528 gallon per hour/13 Watt UV light Suitable for both freshwater & saltwater & pond use