The SUNSUN HW-303B is a powerful external canister filter that keeps aquarium water clear, clean, and healthy with strong circulation and efficient filtration. Ideal for tanks up to 350 liters, it operates quietly and suits both freshwater and saltwater aquariums. 

Key Features:

• Powerful Flow Rate: 1400 L/h for strong water circulation and effective waste removal
• Multi-Stage Filtration: Supports mechanical, biological, and chemical media for complete cleaning
• Built-in 9W UV Sterilizer: Helps control algae, bacteria, and green water
• Large Media Capacity: Multiple baskets allow customizable filtration setup
• Quiet Operation: Low-noise design suitable for homes and bedrooms
• Self-Priming Pump: Easy startup without manual siphoning
• Easy Maintenance: Quick-release valves and trays simplify cleaning
• External Design: Saves space inside the aquarium and keeps the tank uncluttered
• Adjustable Spray Bar: Controls water flow and surface movement
• Fresh & Saltwater Compatible: Suitable for most aquarium types