Yes you read correctly, dual feed AND dual return! This is the king of all sumps, it will allow you to CLEANLY install 2 lift pumps on your truck without ever dropping the tank! It utilizes 2 1/2"npt feed ports and 2 1/2" return ports to easliy plumb in multiple lift pump. Because of multiple variations we do not supply fittings with this sump. We would be glad to help you get the correct fittings, contact us with your specific applications for details.