Is a 68ci tank that much wider than a 20 oz co2 tank?

[pr0kch0p]

i want to get this

http://store6.yimg.com/I/kapp_1638_220055

but they only have them for 68ci tanks and i have a 20 oz pure energy co2 tank. are 68ci tanks much bigger than a 20 oz tank?

also if anyone has one of these or knows any other place where i can buy one it would EXTREMELY appreciated!

[krasher]

No, that won't fit on your 20oz. They are different sizes.