Description: 【Multi Functionality】: This Aquarium Breeder Box serves multiple purposes, including algae storage, filter media placement, new fish isolation, and as a breeding box. It is equipped with a water circulation panel to ensure complete water flow and effective filtration 【Quality Material】: Constructed from premium PC, this Fish Breeder Box is both sturdy and long performance, ensuring reliable use over time 【Space Saving】: The innovative double layer floating design maximizes space efficiency in your aquarium. Its cover prevents fish from escaping the isolation chamber while safeguarding newborn fish 【Enhanced Protection for Fry】: Designed to protect newborn fry from adults fish attacks, this Fish Breeding Box significantly increases their survival rate. It also serves as an ideal maturation chamber for young fish to grow safely 【Aquarium Fish Isolation Box 】: Breeder Box for Fish Tank suitable for baby fish, medaka, bettas, clownfish Specification: Material: PC Size Chart: 20cmx15cmx23cm/7.87inchx5.91inchx9.06inch Water inlet outer diameter 0.8cm/0.31inch Package Includes: 1 Aquarium Breeder Box Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.