Red Sea Reefer™ Compatible Plus, many other aquariums using the included Multidapter™ Universal Pipe Adapter Kit Includes: The Patented Random Flow Generator® Nozzles 2 x 3/4in Flex-Series Random Flow Generator® Nozzles – RFG075-FLX New Flex-Series Adapters 25mm to 3/4in Pipe Adapter & the new 3035-075 Multidapter™ Genuine Loc-line® 3/4in Y Fitting and 4 Sections of genuine 3/4in Loc-Line Includes the New Flex Series Random Flow Generator® Extremely Durable and Flexible Material Manufactured with a reef-safe TPU (Thermoplastic Polyurethane)