Biochemical Cotton Sponge Filter for Aquarium

Product OverviewThe Biochemical Filter helps break down waste and leftover food in your aquarium. Its multi-porous design reduces blockages and provides a large surface area for beneficial bacteria to colonize.Key Features Thick, durable material suitable for freshwater and marine environments Multi-porous structure to prevent blockages and maximize bacterial adhesion Can be cut to the required size for flexible installation Lightweight and soft with excellent water permeability Supports biologi