Boyu WG-310 Nano Protein Skimmer Marine Aquarium Product Boyu Nano protein skimmer is internal aquarium fish tank protein skimmers are designed to be fully integrated saving on the space required for a medium sized protein skimmer with pump attachment. They can be used within your fish tank itself or in an external filtration system like a sump for example. They are primarily designed for use with small marine Nano aquariums and have built in venture separation pumps. These pumps are manufactured to be safe with overheat auto shut off functions and also run on only 8w of power meaning the energy consumption used is very low. Features exit pipe sponge filtration. Detachable collection cup for easy cleaning low noise, high output. Specifications flow rate 80 - 120 litres for tanks up to 80 litres (best suitable for 50 litter tank) power 8w voltage 220- 240v dimensions 117 x 85 x 290 mm. Features-1. Protein skimmer for Nano marine aquarium2. For tanks up to 80 litres (best suitable for 50 litter tank)3. Compact design4. Easy to install and maintain.