SunSun HW-604B External Canister Filter is a compact yet powerful aquarium filtration system designed to keep your fish tank water crystal clear and healthy. With a strong filtration capacity and multi-stage filtering system, this external canister filter effectively removes debris, toxins, and waste while supporting beneficial bacteria growth.
Perfect for small to medium aquariums, the HW-604B offers reliable mechanical, biological, and chemical filtration. Its quiet operation and energy-efficient design make it ideal for home aquariums, planted tanks, and community fish tanks.
Powerful 3-Stage Filtration System
The filter supports mechanical, biological, and chemical filtration, helping remove impurities and maintain a balanced aquarium ecosystem for healthier fish and plants.
Strong Water Flow
With a powerful flow rate of approximately 800 liters per hour, the HW-604B ensures proper water circulation and oxygenation throughout the aquarium.
Suitable for Small to Medium Aquariums
This external canister filter is recommended for aquariums up to around 120 liters (30–35 gallons), making it ideal for planted tanks, community fish tanks, and nano aquascapes.
Customizable Filter Media
The canister allows space for additional filter media such as ceramic rings, bio balls, or activated carbon to improve biological and chemical filtration performance.
Quiet & Energy-Efficient Operation
Designed for low noise and low power consumption, this filter runs smoothly without disturbing the aquarium environment or household space.
Easy Installation & Maintenance
The filter includes hoses, connectors, and filter pads, making setup simple even for beginners. Maintenance is easy thanks to its detachable design.
Technical Specifications
- Model: SunSun HW-604B
- Filter Type: External Canister Filter
- Flow Rate: 800 L/h
- Power Consumption: 14W
- Recommended Tank Size: Up to 120L / 30–35 gallons
- Voltage: 220–240V
- Dimensions: Approx. 230 × 195 × 365 mm
Key Benefits
- Powerful external filtration system
- Multi-stage mechanical, biological, and chemical filtration
- Energy-efficient 14W pump
- Quiet and reliable operation
- Suitable for freshwater and marine aquariums
- Easy installation and maintenance






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