Ai Clear5 short path distillation kit features Newly re-designed distillation head with larger vacuum jacket for less heat loss during distillation, increased internal diameter for more efficient fractioning and condensation of vapor with zero clogging. Free PTFE 24/40 and 34/45 joint sealing sleeves increase vacuum level and allow you to achieve better results PTFE 14/20 and 24/40 thermo inlet adapters with Viton gaskets Ai Heavy wall glassware for durability Vacuum jacketed vapor channel Boiling flask to distillation port: 34/45 joint Thermo port on boiling flask: 24/40 joint Thermo port on distillation head: 14/20 joints Recirculating fluid and vacuum connectors: GL-16 adapter and 3/8" hose barb Glass material: high borosilicate glass 3.3 Optional T1 or T40 cold traps prevent vapors being evacuated from entering a vacuum pump where they would condense and contaminate it