Oase FiltoSmart 300 Aquarium Filter, External Aquarium Filter for Freshwater and Marine Aquariums up to 300 L, 23 W

ADVANCED FILTRATION: The multi-layer filtration system uses both mechanical and biological media, providing a large filter surface that effectively removes fine debris and harmful substances while supporting beneficial bacteria growth SELF-VENTING: This external fish tank filter includes a practical self-venting function, helping expel trapped air from the system for an easier, smoother startup COMPLETE SET: This set comes with all essential components in one box, including filter media, hoses, adapter, intake and outlet pipe, and water diffuser, removing compatibility concerns and ensuring quick, easy installation COMPACT PLACEMENT: With the filter’s 288x179x428 mm profile and stable base, this external filter can be positioned neatly next to or below your aquarium, maximising tank space for aquascaping and fish movement With an adjustable flow rate up to 1000 litres per hour operating at just 23 watts, this filter provides powerful circulation while keeping noise low.