Negative Pressure Aquarium Fish Tank Cool Fish Tank Aquarium Water replenishers Water Level auto-Refill MaintenanceBrand: NestBasics Color: transparent Features: NestBasics Negative pressure fish tank size is 7. 48 Inch*5. 12 Inch*4. 72 Inch The negative pressure fish tank is made of PC material which is not easy to be broken and very clear material for you to see the fish swimming in the nagative pressure fish tank Our Negative pressure fish tank can replace traditional aquarium fish tank water replenishers,which can be used as water auto refill product The