Inquiry (采购产品): changing co2 tanks please send me information on how to properly change a co2 tank. My account # is J6E95. I tried to go by sales rep but have not gotten a response. Thank you. **** Hidden Message ***** kathleen jacob 462 1st ave new york, NY 10016 USA Company: bellevue hospital Title: supervisor Phone: 212-562-6589 Fax: 212-263-8282 E-mail: jacobk@nychhc.org **** Hidden Message ***** jacobk@nychhc.org