Oase Biomaster External Filters Model:OASE BIOMASTER 600 FILTER while the second park units

while the second park units consists of a 90° static diffuser for use on the edges and boundaries

Long-lasting alkaline batteries are included

high-quality spiral mesh textile with two spirals working in opposite directions

• Ideal for camper trailers

bad tastes and odours and also protects against cysts and bacteria such as E

Oase Biomaster External Filters Model:OASE BIOMASTER 600 FILTER while the second park units*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