Aquascape BioBalls Biological Filter Media waterfall Atlantic's Cabinets have a reinforced

Atlantic's Cabinets have a reinforced lockable lid and sturdy hinges with vandal-resistant screws for secure installation

Please note: as on any healthy fish

dimensions of 3”W x 4

making it an excellent choice for any time of year

The extension measures 9″ tall

Aquascape BioBalls Biological Filter Media waterfall Atlantic's Cabinets have a reinforcedAquascape BioBalls Biological Filter Media supports effective biological filtration by providing textured surface area for beneficial bacteria to grow and colonize. Each ball offers 19 square inches of surface area, and the center channel allows the balls to be strung together, making cleaning quick and simple. BioBalls Biological Filter Media will not break down like traditional biological media options, providing years of trouble free use without