Self-priming system quick and easy disconnect system easy to adjust water flow rate provide superior water quality mechanical and biological system suitable for freshwater and saltwater. It is a powerful external canister filter for medium tanks, plant tank, shrimp aquarium and marine aquarium, well suited for up to 82 litre tanks. The filter is suitable for both sea water and fresh water tanks. The four safety locks to ensure and prevent water leakage. High quality filter medium with sponge material and renewable charcoal block portable filter chamber easy to clean and exchange the medium. Features-1. Self-priming system. 2. Quick and easy disconnect system. 3. Suitable for freshwater and saltwater. 4. Mechanical and biological system.