Tetra EasyCrystal Aquarium Filterbox 300 - Filter für 40-60 L Aquarien, für kristallklares gesundes Wasser, einfache Pflege, intensive mechanische, biologische und chemische Filterung : Amazon.de: Haustier
Tetra EasyCrystal Filter Pack 250/300
Purigen - I am running a Tetra Easycrystal Filterbox 600 which came with my tank (unfortunately since it's freaking huge). I wanted to put some Purigen in there, but where do I