At 123 Aquatics we stock a wide range of filter media for Eheim external filters. With specialist media for mechanical and biological fish tank filtration, you can be sure of finding the right media for your Eheim filter.
Specially developed mechanical filter media from Eheim such as Mech Pro focus on trapping dirt particles and providing a surface area for biological breakdown of toxins in your aquarium water. Biological media work with these products to remove toxins and chemicals from your aquarium water to prevent harm to your fish.