✿MULTIPLE FUNCTIONS: Can filter impurities in fish tanks, remove the excreta and keep water clean ✿FEATURES: High efficiency, large flow, low noise, strong seal (no leaks) ✿EASY TO INSTALL: Suitable for freshwater, seawater aquarium and seaweed tanks use ✿PACKAGE INCLUDES: 1Pc filter canister, 2pcs connection fitting, 1pcs sponge, 1pcs connection rod, 1 pack bio-ball ✿Materila: Made of high-quality plastic material, safe, non-toxic, wear resistant and durable