Boyu · Internal
SP-C / SP-B Internal Filter
- Flow
- 300–1,400 L/h
Quarantine, hospital or grow-out tanks, and simple community tanks that need an easy internal filter.
4 models
SunSun · Internal
SunSun HN Internal Filter
A slim 3 W internal filter for small tanks, with 300 L/h flow. Two heights.
Updated
300 L/h2 models
Will it suit my tank?
litres
Best for
Nano and small tanks up to about 40 litres.
What stands out
- 300 L/h
- 3 W
- Slim body
- Two heights (18.6 or 21.1 cm)
Models and specs
| Model | Flow | Power | Max head | Dimensions (L × W × H) | Cable |
|---|---|---|---|---|---|
| HN-011 | 300 L/h | 3 W | 0.6 m | 8 × 6.2 × 18.6 cm | 1.5m |
| HN-012 | 300 L/h | 3 W | 0.6 m | 9 × 6.8 × 21.1 cm | 1.5m |
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 · Internal
950F Series Internal Filter
- Flow
- 470–1,550 L/h
- Tank size
- up to 300 L
A larger tank that needs strong extra circulation plus some mechanical filtration.
4 models
Dophin · Internal
F Series Internal Filter
- Flow
- 360–800 L/h
- Tank size
- up to 160 L
A mid-sized tank where you want an internal filter that tucks into a back corner.
3 models
Dophin · Internal
FB Internal Filter
- Flow
- 300–760 L/h
- Tank size
- up to 140 L
A basic community or planted tank where a simple sponge internal filter is enough.
4 models
Frequently asked questions
Quick answers about the SunSun HN Internal Filter, drawn from its specs.
What size tank is the SunSun HN Internal Filter good for?
Using the 5 to 12 times turnover rule for planted tanks: HN-011 (300 L/h, suits roughly 25–60 L); HN-012 (300 L/h, suits roughly 25–60 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 HN Internal Filter best for?
Nano and small tanks up to about 40 litres.
What are the alternatives to the SunSun HN Internal Filter?
Other filters worth comparing: Boyu SP-C / SP-B Internal Filter, Dophin 950F Series Internal Filter, Dophin F Series Internal Filter. Add any of them to the compare table to see the specs side by side.
What sizes does the SunSun HN Internal Filter come in?
2 options: HN-011, HN-012.