i just bought one from bulk reef supply. very cool. don't have to worry about over filling my 55 gallon rodi drum. brand new they are like $25. worth every penny. lol
I have one available brand new, I went a different route with ato is a float valve for rodi tubing I live in the Seatac area, super cheap because I will probably never use, 15 and is yours, send me a pm if interested