Fluval Hang On Breeding Box, Medium, 1.1 Litre

Multi-purpose Safe & secure tank for breeding, isolating or acclimatizing fish Space-saving design, easily installs on the exterior of the aquarium Fish fry slip through the v-shaped separator and are safely segregated from adults Measures 16 cm (6 1/3") wide and holds 1.2 liters (0.3 us gal.) of water.