External Breeding Box 2.5Lt air operated

External Breeding Box 2.5Lt air operated the External Breeding Box 2.5Lt air operated (air pump not included) Has Water Guided Chambers and  Air Driven With Air Adjustment The 2.5L Capacity – Suitable For Freshwater & Saltwater Features: . Special two-fender design can achieve both upper and lower water flowing of the tank ensuring perfect water changing  It makes it possible to observe the growing process of the baby fishes and the parents on condition that they are not damaged. It is good for the beginners to observe the details and is helpful to inspire childrens curiosity and develop their scientific creativity. Suitable for temporary tank of small fishes to be food for larger ones and also a safe shelter for shrimps.