Oase Biomaster External Filters Size_3" chemicals and air in industrial

chemicals and air in industrial and domestic applications

Monkey Fingers Bungee Cords are constructed using marine grade rubber

Removable filter screen prevents large objects from clogging nozzle

and once the chamber is full

Oase Biomaster External Filters Size_3" chemicals and air in industrial*Please note this filter does not include the Thermo Heater* The BioMaster line of premium external filters are perfect for marine and freshwater aquariums. The BioMaster 250 boasts 4 stage filtration in a compact design. Biological, mechanical, chemical, and prefiltration all work together to provide your aquarium with optimal water quality and clarity. The BioMaster filters are designed with sealed filtration pathways to ensure water flow is getting