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Increases and decreases surface agitation depending on positioning
pre-set environments
are activated to break down waste and kickstart the nitrogen cycle
this 90×20×25cm tank (10
OASE BIOMASTER 250/350 ROTOR/IMPELLER SPARE PART Lighting Increases and decreases surface agitationOASE BioMaster 250 350 Filter Replacement Impeller (Part #40399) Keep your BioMaster canister filter running at peak performance with this genuine OASE replacement impeller. Designed specifically for the BioMaster 250 and 350 models, this rotor maintains optimal water circulation and filtration efficiency. OEM part ensures compatibility and reliability. Essential maintenance component for aquarists relying on consistent biological and mechanical