The Hypro 6500 C-R roller Pump delivers up to 21.8 GPM and 300 PSI to guarantee a superior performance in heavy-duty application. The cast iron construction with Viton seals provides the best chemical resistance to ensure durability and long time service. It comes with 5/8 in. solid stainless steel shaft and has clockwise shaft rotation that directly couples to electric motors and gas engines. Counter-clockwise makes easy PTO adaptation. This 6 roller pump is ideal to use on residential, industrial and commercial sites for efficient application.