Originally Posted by SMoRZ3
Ok, I'm not having very much luck with Grainger finding what I need but whatever. I hate that the shipping for the tanks is about as much as half the tank, argh... Thanks for the input!
Check at Piston Bikes they can do priority USPS fixed rate or maybe post you want to buy one in the Swap and Shop Thread
someone may well have one from a kit they haven't used to sell cheap I know that Venice Bike works and Culver City Classics have posted them there in the past.