Description

• Bio ball that is made of clear plastic is hollow sphere. It has large surface and can attach large sums of nitrifying bacteria.
• Thread structure?? easy for installation and removal?? great for DIY.
• Can use as grass cultivation platform or filling filter for water purification.
• Diameter: Approx. 5cm/1.97inch
• Height: Approx. 3cm/1.18inch
• Material: Plastic
• Color: Clear

Package Includes:

• 1 x Biological Ball