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Best Choice Mobestech 
Mobestech Erlenmeyer Flask 500Ml Large Capacity Flat Bottom Glass Laboratory Beaker for Chemistry Distillation and Boili Core Functionality: the Mobestech Conical Flask features a flat bottom design that provides exceptional stability duringBest Value YIOOSA 
24/29 Joint Laboratory Glass Rotary Evaporator Flask - 5-2000 mL Round-Bottom Vessel, Suitable for Distillation Laborato Borosilicate glass construction ensures durability and thermal shock resistance.AUFengHeng 
Lab Glass Essential Oil Distilling Flask+Serpentine Condenser Glass Distillation Apparatus Borosilicate Glass Laboratory 【Material】:Made of high-purity and clear boroslicate glass 3.3 tubing, with uniform wall thickness and low thermal expanYIOOSA 
Flat Bottom Four Mouth Glass Jacketed Reaction Bottle - Double-Layer Laboratory Reactor Flask for Experiments(250mL 24x2 Constructed from borosilicate glass, it offers exceptional heat resistance and compatibility.JiaoFengHeng 
Borosilicate Glass Distillation Apparatus Vacuum Distillation Kit Chemistry Lab Glassware 24/29 Joint (500ml) Made of high-quality borosilicate glass, resistant to high temperature and corrosion, with uniform wall thickness and noYIOOSA 24/29 Joint Laboratory Glass Rotary Evaporator Flask - 5-2000 mL Round-Bottom Vessel, Suitable for Distillation Laborato Borosilicate glass construction ensures durability and thermal shock resistance.JiaoFengHeng 
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