Pet Worx internal filters are fully submersible in your tank and are low noise and energy efficient.  It has an easy cleaning interlocking sponge cartridge and can have additional cartridges added for extra filtration.  Sutaible for freshwater or saltwater tanks, the PetWorx Filter includes an air intake diffuser and spray bar.

Specifications

• Flow rate: 1,800 L/hour—suitable for aquariums of approximately 300 to 400 litres

• Dimensions: approx 32.5 cm high × 5.5 cm wide × 10 cm deep (includes suction-cups and output nozzle) 

• Outlet nozzle: ~15 mm outer diameter 

• Designed for: Both freshwater and saltwater aquariums

• Construction: Heavy-duty, fully submersible casing for durability and quiet operation