Water Genius Dissolvedoxygen Bio Filter Med SKU: PB02 Category: Pumps Filters and Undergravels Related products Aquafx Power Filter 1800l/hr Resun Low Volt. Pump 250lph 12v 0.5m Fluval U3 Internal Filter For 90 150l Aqu. Resun Low Volt. Pump 550lph 12v 1.3m