Sera fil 120 is a small internal filter for small aquariums up to 120 l. Low maintenance, highly efficient aquarium filter. The large filter material volume of approximately 350 cm³ ensures natural biological breakdown of pollutants, creating crystal clear, healthy aquarium water.https://www.aquaristikshop.com/aquaristic/Sera-fil-120-internal-filter/388031/
- Rikke R. wrote about Sera fil 120 internal filter in 2017:
I would say this a good product, especially considering the low price.
Runs silent. The output spraybar is really handy, and can be adjusted to any output direction.