Distills, refluxes, stores and delivers. Unit is totally grease free when used with PTFE sleeves on joints. Septum access located on side of still reservoir, supplied with septum. Two PTFE stopcocks, below reservoir, allow recycling solvent to boiling flask, takeoff to receiver flask, or if both are closed, storage in graduated 500mL reservoir. Lower joint on distillation path is 24/40 with a Splash Guard to aid in distillation. Joint on receiver is 14/20. Complete item includes still head, finger condenser and bushing with O-Ring.