[Specifically for Hatchery: Characteristic in small hole design mesh coverlarge volume box provides sufficient oxygen large activity space and clean water quality for pets healthy growth. Isolated Breeding Tank: The breeding tank separate the and particles in the water providing a and safe living environment for your fish. 6 Suction Cup for Easy Installing: There are 6 suction cups attached behind the boxwhich can be adsorbed tightly on the wall of the tank not easy to off. Safe Material: This fish box is made of soft polyester and plastic framelight in weight for moving; Mesh fabric coverproviding an ideal seperation space for hatchery. Small Holes Design:The holes of the breed net is small ensuring that the small will not leak out from incubator. The safety of the new-born can be ensured.]