Fluval Betta 20L Filter Cartridge

From the Fluval range, this Poly-Carb Cartridge is a dual-action internal filter insert designed to remove toxins and odours while keeping aquarium water crystal clear. Each 2-in-1 cartridge combines polyester and carbon layers to trap fine debris and filter out harmful substances, ensuring fresh, healthy water at all times. Supplied as a convenient 4 pack, the cartridges are easy to install in minutes with clear instructions provided. Each cartridge measures approximately 22cm high by 7cm wide.