Across International Packable Short Path Distillation Head With Packing Media, 5LThe Ai heavy wall 5L packable short path distillation head with vacuum jacket offers you a lot of new changes over its previous version. One set of vigeaux to allow for packing media Larger vacuum jacket means less heat loss during distillation Increased internal diameter throughout the whole head for more efficient fractioning and condensation of vapor with zero clogging Fine grinded joints gives you higher ultimate vacuum level Heavy wall for