First off, don't see a "need" for it, I wouldn't ever even think about it. But that's where I live and all that, don't have the weather that you may have.
I would look at ones that go right on the wiper first off.
If not that something looking more original like these.
http://www.macsautoparts.com/early_f...r-nozzles.html
Or this fifties Corvette, they were actually common as an accessory on other cars sold aftermarket.
I had a 60 Rambler American with them on the hood.
But I would go with something like that if I were to run them.
Brian