SunSun HBL 303 Hang On Filter

The SunSun HBL-303 HOB Filter is an ideal filtration solution for small to medium aquariums (up to 60 Liters). Its hang-on-back design keeps the filter outside the tank, ensuring a clear, uncluttered underwater view.

Complete Filtration System

Despite its compact size, the HBL-303 delivers powerful multi-stage filtration. It pulls in dirty water, passes it through filter media to remove waste and neutralize ammonia, and returns clean, oxygen-rich water via a gentle waterfall flow.

Customizable for Your Needs

• Adjustable Flow Control – Easily set gentle or strong flow depending on your tank setup

• Suitable for planted tanks, community tanks, freshwater, and marine aquariums

Important Usage Note (Priming)

• Always fill the filter chamber with water before switching on

• Prevents dry running and ensures instant water circulation

Technical Specifications

• Model: SunSun HBL-303

• Flow Rate: Up to 300 L/H (Adjustable)

• Power: 3.5 Watts

• Voltage: 220–240V / 50Hz

• Tank Size: Up to 60 Liters (~15 Gallons)

• Design: Compact and slim profile

Additional Information

• Weight: 260 g

• Dimensions: 16 × 18.5 × 9.65 cm

Why Choose HBL-303

A perfect balance of performance and simplicity, offering efficient filtration, quiet operation, and easy maintenance for clean and healthy aquariums.