Lee’s Five-Way Breeder Box – A multi-purpose aquarium isolation and breeder box that can be used five different ways. It’s designed with both side vents and bottom vents for optimum water circulation. This box comes with dividers and a V-shaped partition, making it ideal for separating pregnant egg-layers or livebearers, isolating aggressive or sick fish, or housing new fry. It can hang inside most tanks or float, providing a versatile solution for fish breeding and segregation.