The Ultimate Return Line Upgrade Kit is directly compatible with a wide variety of aquarium brands and model
Sea Reefer, Cade, Geniune Locline 3/4", 25mm Metric Pipe, 1in slip or threaded bulkheads, 1in Schl40 PVC pipe elbows and socket fittings, 1.25in Schl40 PVC pipe and 25mm Metric pipe, Any bulkheads or pipe sockets with 30mm to 35mm inner diameter
 
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