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Choose the 1000 for small tanks and single-outlet systems
the Pond ECO 4900 provides excellent performance while keeping running costs to a minimum
Versatile compatibility: Fits multiple Aqua One aquarium models
submerged filtration system featuring a high-performance pump
its essential to avoid the build up of such a layer
Oase BioMaster² Thermo External FIlter Size:350 Choose the 1000 for smallThe ultimate convenience among the external filters for aquariums. The external filter meets the highest demands in water filtration and filter cleaning. The combination of highly effective biological filtering with Hel X and mechanical biological cleaning with filter sponges ensures healthy and clear aquarium water. The BioMaster is suitable for aquariums with a volume of 250 to 850 litres. No complete cleaning needed: the EasyClean pre filter