DOH!! :duh:
I was thinking blue-silicone but actually you can get flexible CO2 rated tubing(it also come in black and green)
http://www.marinedepot.com/md_viewItem.asp?idproduct=CO1513
I was thinking blue-silicone but actually you can get flexible CO2 rated tubing(it also come in black and green)
http://www.marinedepot.com/md_viewItem.asp?idproduct=CO1513