ADAM & CHITTENDEN GLASS Chromatography Column, 35/20 Socket Joint  , 2000mL Reservoir with Tubing Diameter 4 1/2″ 34-inch Length, 24-inch Effective LengthDelivery tip Diameter 2 mmWith  Stopcock  & Fritted DiskThis item is new never used but does not have the original packagingThe measurements are taken and calculated inside the office.Thank you for looking at our items. You are always welcome to come by and inspect the item(s) before you bid. If you are local, we would always prefer you to come and pick up your won items.We are located atCAL-L ENTERPRISES9751 Independence Ave,Chatsworth, CA 91311TEL: 323-394-7124FAX: 818-668-5064EMAIL: cal-l at att dot netWEBSITE: cal-l dot comHOURS: Monday – Friday 9:00am – 5:00pmWe are more than happy to meet with you, just give us a call to set up a time.Shipping costs ARE AN ESTIMATE ONLY!!The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item