Fluval 306/7 and 406/7 Filter Phosphate Remover 306/307/406/407, blue
Specifially desgined for Fluval 306/307 & 406/407 filters. Colour: blue. For use in freshwater and saltwater aquariums. Manufacturer: Rolf C Hagen UK Ltd. Item form: Pad. Item weight: 1.7 Ounces. Allergen Information: Nut Free.