All HAGEN/FLUVAL INTERNAL FILTERS HAGEN/FLUVAL INTERNAL FILTERS Elite Stingray 10 Underwater Filter up to 50ltr Aquarium A142£23.59 Elite Stingray 15 Underwater Filter up to 75ltr Aquarium A144£30.15 Elite Stingray 5 underwater Filter, up to 19Ltr Aquarium A140£22.17 Fluval Mini Underwater Filter up to 45Ltr Aquariums A460£19.19 Fluval Nano Aquarium Filter, 55ltr Aquariums A455£18.39 Fluval U1 Underwater Filter up to 55Ltr Aquariums A465£25.19 Fluval U2 Underwater Filter up to 110ltr Aquariums A470£37.59 Fluval U3 Underwater Filter, up to 150ltrs Aquariums A475£49.59 Fluval U4 Underwater Filter, up to 240ltr aquariums A480£61.59 Marina i110 Internal Filter for aquariums upto 100ltrs A301£14.57