UPC 605945017825

You are looking at our NEW biO-ring filter upgrade kit which gives you additional Biological filtration and also allows you to choose a gravel of your choice rather than the Ceramic Media that biOrb supply. We recommend a gravel no smaller than 3mm in size We have run these in a marine tank with coral gravel, a planted tank pea gravel and a cold water keeping the original ceramic media. They will fit all biOrbs including the following Reef One BiOrb aquariums: 15 Litre Baby BiOrb 30 Litre BiOrb 60 Litre BiOrb 105 Litre BiOrb BiUbe 15 Litre Life 30 Litre Life 45 Litre Life 60 Litre Life 15 Litre Flow 30 Litre Flow 15 Litre Halo 30 Litre Halo 60 Litre Halo Trimming may be required to fit the smaller biOrb models (15litre versions) You will receive: 1 x Beige/white Upgrade biO-ring ***Please note everything apart from the Beige Foam ring in the pictures is for illustration purposes only and will NOT be supplied*** Instructions:- If setting up from scratch: Simply sleeve the biO-ring over the outside of the filter housing prior to adding ceramic media or a gravel of your choice.