The ICON Flush Sprayer spin welds into any polyethylene tank. The cone shape is designed with louvers that direct water pressure to evenly spray and clean within the tank. Opposite end is 1/2" FPT (Female Pipe Thread) hook up, to be plumbed to an external garden hose connection. Opposite end is a 1/2"" FPT hookup that plumbs to an external garden hose | Icon Technologies Flush Sprayer with Threaded FPT Spin Weld Fitting