Sansan SW 5000 is a high-performance external canister filter designed specifically for freshwater aquariums. It provides strong multi-stage filtration to remove dirt, waste, and harmful particles, keeping the water crystal clear. High flow capacity (around 5000 L/H class) makes it suitable for large aquarium setups. Ideal for medium to large freshwater aquariums (approximately 3–5 feet or bigger, depending on bioload and setup). Helps maintain a healthy aquatic environment with better water circulation and oxygen balance. Best suited for freshwater fish tanks only.