Ai Clear5 short path distillation kit features The DigiVac StrataVac gives you deep vacuum and high throughput, it is one of the most accurate and powerful vacuum controllers on the market. 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. ❖ Ai Heavy wall glassware for durability ❖ Vacuum jacketed vapor channel ❖ Distillation head with five sets of vigreux ❖ Boiling flask to distillation port: 34/45 joint ❖ Thermo port on boiling flask: 24/40 joint ❖ Thermo port on distillation head: 14/20 joints ❖ Glass material: high borosilicate glass 3.3 ❖ T1 cold traps prevent vapors being evacuated from entering a vacuum pump where they would condense and contaminate it Warranty One year warranty on DigiVac StrataVac, DigiM5 mantle, PolyScience MX chiller and SuperVac pump. Glassware does not have warranties. Glassware may have minute blemishes that will not affect the function. If you believe there are imperfections on your glassware, please contact us. We check all our inventory and make sure no defective glassware is sent to our customers