Originally Posted by PTE. Pyle
okok i have saved the day. for any one having any problems finding tetrafluoreothane there is a product at wallmart called safe t horn. it is a marine signal horn that has refill canistars for 10 bucks that are filled with tetrafluoreothane. you can find them in the sporting goods sections.
That is what I was talking about. I just forgot the name. In Saskatoon it's $8