Dennerle Nano Baby Protect: auxiliary intake protector for Nano Corner filter and Nano Corner filter XL. This additional protection for baby shrimp can easily be clipped onto the corner filter. In this way, the young shrimp will be protected for sucking in by the filter. With filter sponge, pore size: approx. 0.5 mm. The filter sponge can be separately ordered.Do you have questions about this article ?