Product#: TG-6302 Availability: This item normally ships within 1 - 2 business days. Description: Pipet made up of two transfer pipets, tandem-type, connected to a common reservior.One pipet fills while the other one empties. This filling/emptying cycle is controlled with the stopcock. Air bubbles are eliminated due to the gravity feed. Excess is
returned to the reservior via side tubes. TeflonŽ stopcock has 2mm bore. The top standard taper (29/42) joint has a hole for venting. Supplied with stopper.