CENTER OPENING 2.323 THREAD O. All items that have been listed, have not been tested. The item you receive may be different from the actual item in the photo because some lots are multiple quantities of the same item. Our goal is to provide the purchaser with as much information as possible.We box all items in a single wall box with foam and or paper packing. The item "5 Gallon 304 Stainless Steel Alloy Products Pressure Vessel" is in sale since Friday, January 6, 2012. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Other Hydraulics & Pneumatics". The seller is "nci-sales" and is located in Madawaska, Maine. This item can be shipped to United States, Canada.