Product#: TG-3640 Availability: This item normally ships within 1 - 2 business days. Description: An efficient, versatile, one-piece unit which combines the functions of reflux, distillation,storage, measurement, and delivery of purified solvents. Ether and THF can be purified in this system. The reservoir is graduated 0-500 ml, in 25 ml graduations. All standard taper joints are 24/40. Stopcocks are TeflonŽ. Complete with delivery tube.