I haven't come to the hose conundrum yet, but I've often gone to the local NAPA, selected a couple of suspicious looking water pump hoses, and then pieced them together with steel exhaust tubing and hose clamps to get the size and shape I need. If you don't want to do that, I'd get in touch with Barry R, because he uses those Meziere pumps all the time and probably knows the best way to git 'r dun...