Catalina Cylinders is a leading producer of high and low pressure aluminum compressed gas cylinders, with manufacturing facilities on the American East and West Coasts. Catalina Cylinders is a division of Aluminum Precision Products, which was established in 1965. Having done all the necessary approvals, Catalina are now focused on the European Market, where can be a valid alternative for Aluminum Cylinders in the range from 0,5 L up to 20L, all produced in their facilities in Virginia. Technical pamphlet (pdf) Catalina Cylinders website: http://www.catalinacylinders.com