SunSun HBL-801 Aquarium Filter

HBL-801 is a hang-on-back (HOB) aquarium filter made by the SunSun brand. It hangs on the back of a fish tank and filters the water to keep it clean and healthy for fish.

Key Specifications

Type: Hang-on-back external filter

Power: 6 W

Flow rate: about 500 L/hour

Tank size: suitable for up to ~60-liter aquariums (around 2-ft tank)

Voltage: 220–240 V

Filtration: mechanical + biological + chemical media compartments

This filter cleans aquarium water through three stages:

1. Mechanical filtration – sponge removes dirt and particles.

2. Biological filtration – ceramic rings grow beneficial bacteria that break down waste.

3. Chemical filtration – carbon removes odor and toxins