Separates Fry from Larger Fish Designed For Maximum Water Flow Two Hanging Methods This premium breeder box from Ziss is designed to maximize water flow throughout the box. It features a hose connected to an airstone which brings water into the box and abottom stainless steel mesh screen for additional flow. The top features a convenient feeding hole. For this breeder, two hanging methods are possible. The Ziss super strong suction cups are what most folks use. The hanging bracket works for people who haverimless aquariums or small nano tanks. Breeder Box measures -5.5\” x 5.5\” x 5.9\” Volume – 2.4 Liters