Pdx Elite HydrobatorPDX Elite Hydrobator Stroker from PDX Brands. Get ready for the best stroking experience of your life! The PDX Elite Hydrobator is made for incredible aquatic stimulation with its innovative double open ended design, allowing water to flow through the tunnel while simultaneous automated stroking technology gives you a fully encompassing stroking experience. Created with a hollow tunnel to fit any length shaft, the Hydrobators accessible shape allows