Description
Product name: filter bio ball Material: PVC Colour: Black Weight: 1.6 grams Size: Approximate diameter: 16mm/0.63 inches Package contains: 100x filter bio balls Material: PVC. Light weight but tough enough to maintain its shape, never degrade or wear, wear-resistant, reusable, long service life, easy to handle and clean, can promote gas exchange and increase dissolved oxygen content, the design is porous. Biosphere is a kind of hollow sphere made of plastic materials. It has a large surface area
