AeroTwin BIO S – internal sponge filter with biofiltration
Internal sponge filter with biological filtration for aquariums of 20–60 L, rated at 350 l/h with a 3 W…
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The AeroTwin BIO S is an internal sponge filter for small and medium freshwater aquariums of 20–60 L. It is intended for keepers who want mechanical and biological filtration in one compact unit that can be adjusted to different tank layouts.
Why it matters
- Two independent sponges and two ceramic chambers split the mechanical and biological stages, and the chambers can be filled with biological ceramic media.
- Microporous sponge is fine enough to be used in a shrimp tank with young shrimp.
- Sponges come out without disassembling the filter, which makes routine cleaning quicker. Rinse them only in water drawn from the aquarium to protect the filter bacteria.
- Telescopic outlet tube can be set above or below the water surface, and the sponges can be placed in different positions. An additional air line connection allows extra aeration when needed.
Specifications
- Power consumption: 3 W
- Flow rate: 350 l/h
- Aquarium volume: 20–60 L
- Dimensions: 145 × 60 × 280 mm (height depends on how far the telescopic tube is extended and how the sponges are positioned)
- Weight: 0.49 kg
- Included: Kruger Meier FluxBall ceramic biological media
What it works with
The filter fits freshwater aquariums of 20–60 L, including shrimp tanks thanks to its fine microporous sponge. Its 350 l/h flow suits tanks in this volume range, and the outlet can be angled toward the glass for calmer water movement or kept at the surface for gentle gas exchange.
Technical specification
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Frequently asked questions
It is designed for aquariums from 20 to 60 liters. The filter's capacity is 350 l/h and it uses 3 W of power.
Yes, it has a microporous sponge that is suitable for a shrimp tank, including one with young shrimp. The sponges can also be placed in different positions to fit your aquarium.
The telescopic outlet tube can be set above or below the water surface. Placing it above the surface gives gentle aeration, while placing it below directs flow toward the side wall for calmer circulation.
Yes, the set includes Kruger Meier FluxBall ceramic biological media. The filter has two chambers for ceramic media, and you can add more of it if you want.
The sponges can be removed quickly without disassembling the entire filter. To keep the beneficial filter bacteria, rinse them only in water drawn from the aquarium.
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