30PCS Plastic Black Aquarium Fish Tanks Filter Biochemical Ball for Freshwater Seawater

Feature: 1. Fine workmanship, can be recycled using and durable. 2. Very suitable for freshwater or seawater aquarium filtration system. 3. Biochemical ball provide biofiltration, to remove toxic ammonia and nitrites. 4. Made of high quality plastic material, sturdy and long service life. 5. Small size and lightweight, easy to carry and store, convenient to use. Specification: Condition: 100percent Brand New Item Type: Filter Biochemical Ball Material: Plastic Color: Black Suitable Range: Freshwater or Seawater Quantity: 30PCS Weight: Approx. 136g Single Diameter: Approx. 3.2cm/1.26inch. Package List: 30 x Filter Biochemical Ball