Source for X-Large Bottle Of 500 PSI?

[ElectricZombie]

Hi all. The last time I was down in Florida at a local shop, they were selling these large bottles of 500 PSI mask defogger. They were literally about the size of a shampoo bottle and had "Instructor" written on the label. I'm guessing it was a sort of promo. I was able to buy the last one they had, but have since run out.

I teach 3 SCUBA classes here at the University + some private classes, and we seem to go through 500 PSI really quick. I would really appreciate it if someone could tell me where I could purchase more!! If anyone has a few bottles laying around, or knows a source, I would be more than happy to purchase them.

Thanks

[jonnythan]

Contact the makers directly, they might be able to just sell you some over the phone.

[MikeFerrara]

Any shop that sells 500 psi can get it for you.