Deltec 9000i Internal Protein SkimmerAquarium Size 6000 to 9000 Litres THIS IS A SPECIAL ORDER ITEM AND TAKES 4 6 WEEKS IF OUT OF STOCK Deltec have been a market leader in specialist marine equipment for over 25 years. These new internal protein skimmers continue their long history of German hand built, high efficiency protein skimmers. They have used their experience to introduce many innovations in skimmer technology over the years, pushing the boundaries of performance and efficiency.