The SUNSUN HBL-303 is a compact hang-on filter designed for small to medium aquariums. Here are its key specifications and features:
Specifications

Power: 3W
Voltage: 220-240V/50Hz
Flow rate: 350 L/h
Weight: 0.3-0.4 kg
Dimensions: Approximately 19 x 16 x 9.5 cm (7.5″ x 6.25″ x 3.75″)

Key Features

Hang-on design for space-saving installation
Multi-stage filtration system (mechanical, chemical, and biological)
Adjustable flow rate
Quiet operation
Suitable for both freshwater and saltwater aquariums
Easy to install and maintain

Benefits

Improves water clarity and quality
Compact size ideal for nano tanks up to 10 gallons (37.85 liters)
Energy-efficient operation
Helps cultivate beneficial bacteria
Includes filter cartridges for immediate use

The SUNSUN HBL-303 hang-on filter offers an affordable and efficient filtration solution for small aquariums, combining multiple filtration stages in a compact, easy-to-use design