What gas can do you use. Is it better to get the self venting or anti-spill?
Self--venting
http://www.amazon.com/exec/obidos/t...2/103-7567704-2284622?_encoding=UTF8&v=glance
Anti-spill
http://www.amazon.com/exec/obidos/t...3/103-7567704-2284622?_encoding=UTF8&v=glance
Self--venting
http://www.amazon.com/exec/obidos/t...2/103-7567704-2284622?_encoding=UTF8&v=glance
Anti-spill
http://www.amazon.com/exec/obidos/t...3/103-7567704-2284622?_encoding=UTF8&v=glance

