Prizm Pro Deluxe protein skimmer from Red Sea Better water quality with the "New and Improved" Prizm Pro. After continued research and development the new and improved Prizm Pro features a new Turbo air-injector impellor that significantly increases the skimming performance. The "foam forming" section of collection cup has also been redesigned to generate a more condensed foam increasing the overall skimming efficiency. Higher water throughputIncreased airflowDrier foam   Price $239.99

Berlin Hang-on Protein Skimmer (Red Sea)     Specifications: A pump is not included with this skimmer. If the pump is near the skimmer, a pump with a flow rate of 500gph is recommended. If the pump will be on the floor, pumping the water to the top of the tank, use a pump with a flow rate of 700gph and 3/4” tubing. Size: 6" square x 23" high   Price $239.99

Excaliber Hang-On Protein Skimmer   From Daniel Knop, the highly acclaimed author of Giant Clams and the maker of the best-selling KNOP Calcium reactor, comes a revolutionary advancement in protein skimming. The KNOP Skimmers handles 150 gallons of seawater and includes the pump and an air trap assembly to rid unwanted air bubbles. At only 24" tall, this will be one of the biggest products of the year.   SALE PRICE $199.99