Ocean Free Hydra Nano Plus Internal Filter size-80g free of external supports or

free of external supports or oxygen bottles

Its fine stainless steel mesh provides it catches all waste and debris while separating the sand substrate

and chemical and fragrance free giving you peace of mind knowing that it’s safe for your pets and you

and goldfish bowls

Ocean Free Hydra Nano Plus Internal Filter size-80g free of external supports orThe Ocean Free Hydra Nano Plus internal filter uses Hydro Pure technology to ensure your tank has stable water quality while being environmentally friendly. By filtering through the Hydras 3 step process, the Hydra will turn your ammonia, nitrate, nitrite and phosphate into biologically clean water. Suitable for small tanks up to 50L.