ITEM NAME:50x Bio Porous Filter Biochemical Ball w/Cotton Aquarium Pond Filter Material Descriptio n Description: Lightweight and easy to carry, perfect for use in fish tanks, ponds and aquariums Suitable for biochemical filtration systems in seawater and freshwater When the water flows through the internal space, extends the time, uses nitrifying bacteria to achieve the effect of biochemical filtration The large volume enhances the filtering effect of bacteria Help restore natural water quality and provide the most suitable living environment for fishes Specifications: Material: PVC + Sponge Colour: Black Size: 16mm (diameter) Quantity: 50Pcs Package Included: 50 x Bio Porous Filter Biochemical Balls Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. We offer you what you need! 50x Bio Porous Filter Biochemical Ball w/Cotton Aquarium Pond Filter Material.Suitable for biochemical filtration systems in seawater and freshwater. Colour: Black. Specifications:Material: PVC + Sponge. We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item.
