🌊 Dive into clarity with the OASE BioMaster! Enjoy the tranquility of your aquatic environment with a filter that operates silently. Experience the power of multi-stage filtration that keeps your aquarium crystal clear. Tailor the water flow to suit your aquatic ecosystem perfectly. Spend less time cleaning and more time enjoying your fish with the EasyClean pre-filter module. Trust in superior craftsmanship that ensures reliability and longevity. Whisper-quiet operation Multi-stage filtration Easy maintenance The OASE BioMaster External Filter is designed for aquariums up to 70 gallons, featuring multi-stage filtration for optimal water quality. With a user-friendly EasyClean pre-filter module and adjustable flow control, this quiet canister filter combines German engineering with effortless maintenance, ensuring a serene aquatic environment for your fish.