VEVOR Lab Glassware Distillation Kit 1000ml 3.3 Boro 29 pcs Glassware Equipment Safety and Durability Standard Ground Joints Diversified Applications Professional Lab Distillation Kit Reliable Condenser Enhanced Capacity for Optimal Efficiency Item Model Number: YHEO-8,Product Weight: 4.76 lbs/2.16 kg,Joint Size: 24/40,Flasks Capacity: 1000ml, 250ml,Experiment Types: Dropwise Reflux/Fractionation/Distillation,Glass Stopper Size: 24/40