Boyu · Hang-on-back
WF Waterfall Hang-on Filter
- Flow
- 150–720 L/h
Small to medium low-tech tanks and shrimp or betta setups on a budget.
5 models
SunSun · Hang-on-back
SunSun HBL Series Hang-On Filter
SunSun's long-running hang-on-back filters, from the tiny 2 W HBL-301 up to the larger adjustable-flow HBL-800 range. They are cheap, simple and easy to service.
Updated
300–800 L/h12 models
Will it suit my tank?
litres
Best for
Nano and small planted tanks, shrimp tanks and quarantine setups.
Worth knowing
Hang-on filters break the surface and can drive off CO2, and the intake needs a sponge cover in a shrimp tank.
What stands out
- 300 to 800 L/h
- 2 to 8 W
- HBL-801 to 803 have adjustable flow and fit different glass thicknesses
- Used in several SunSun tank kits
Models and specs
| Model | Flow | Power | Dimensions (L × W × H) | Cable |
|---|---|---|---|---|
| HBL-301 | 300 L/h | 2 W | 8.5 × 10 × 10.5 cm | 1.5m |
| HBL-501 | 400 L/h | 5 W | 12 × 12 × 13 cm | 1.5m |
| HBL-701 | 600 L/h | 8 W | 8.5 × 13 × 15.5 cm | 1.5m |
| HBL-302 | 350 L/h | 3 W | 14.4 × 9.5 × 21.2 cm | 1.5m |
| HBL-303 | 350 L/h | 3 W | 17.8 × 10 × 21.2 cm | 1.5m |
| HBL-402 | 300 L/h | 2 W | 9.5 × 9.5 × 15 cm | 1.5m |
| HBL-403 | 400 L/h | 5 W | 15 × 9.5 × 19 cm | 1.5m |
| HBL-502 | 500 L/h | 4 W | 16.3 × 9.5 × 17 cm | 1.5m |
| HBL-702 | 800 L/h | 7 W | 25.5 × 11.8 × 18.5 cm | 1.5m |
| HBL-801 | 500 L/h | 6 W | 13.5 × 27 × 28 cm | 1.5m |
| HBL-802 | 500 L/h | 6 W | 16 × 27 × 28 cm | 1.5m |
| HBL-803 | 500 L/h | 6 W | 19 × 27.5 × 31.5 cm | 1.5m |
- Brand
- SunSun
- Mount
- Hangs on the back glass
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Compare with
Browse all filters
Dophin · Hang-on-back
A Series Hanging Filter
- Flow
- 300–500 L/h
- Tank size
- up to 100 L
A 40 to 100 litre tank where you want a simple hang-on filter you can fill with your own media.
4 models
Dophin · Hang-on-back
H Series Hanging Filter
- Flow
- 190–1,000 L/h
- Tank size
- up to 200 L
A beginner tank from 25 to 200 litres where a familiar, easy hang-on filter is enough.
6 models
Dophin · Hang-on-back
SH Slim Hanging Filter
- Flow
- 150–380 L/h
- Tank size
- up to 80 L
A 20 to 80 litre tank with a lid-free top where you want surface film gone without a separate skimmer.
4 models
Frequently asked questions
Quick answers about the SunSun HBL Series Hang-On Filter, drawn from its specs.
What size tank is the SunSun HBL Series Hang-On Filter good for?
Using the 5 to 12 times turnover rule for planted tanks: HBL-301 (300 L/h, suits roughly 25–60 L); HBL-501 (400 L/h, suits roughly 33–80 L); HBL-701 (600 L/h, suits roughly 50–120 L); HBL-302 (350 L/h, suits roughly 29–70 L); HBL-303 (350 L/h, suits roughly 29–70 L); HBL-402 (300 L/h, suits roughly 25–60 L); HBL-403 (400 L/h, suits roughly 33–80 L); HBL-502 (500 L/h, suits roughly 42–100 L); HBL-702 (800 L/h, suits roughly 67–160 L); HBL-801 (500 L/h, suits roughly 42–100 L); HBL-802 (500 L/h, suits roughly 42–100 L); HBL-803 (500 L/h, suits roughly 42–100 L). Real flow with media and hoses is lower than the rated figure, so pick the bigger model if you are between sizes.
Who is the SunSun HBL Series Hang-On Filter best for?
Nano and small planted tanks, shrimp tanks and quarantine setups.
Is there anything to watch out for with the SunSun HBL Series Hang-On Filter?
Hang-on filters break the surface and can drive off CO2, and the intake needs a sponge cover in a shrimp tank.
What are the alternatives to the SunSun HBL Series Hang-On Filter?
Other filters worth comparing: Boyu WF Waterfall Hang-on Filter, Dophin A Series Hanging Filter, Dophin H Series Hanging Filter. Add any of them to the compare table to see the specs side by side.