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Best Choice Mobestech 
Mobestech Erlenmeyer Flask 500Ml Flat Bottom Glass Conical Laboratory Beaker for Chemistry Distillation Boiling and Educ Core Stability: the Mobestech Erlenmeyer Flask features a flat bottom design measuring approximately 7.09*4.25*4.25in, pJiaoFengHeng 
JiaoFengHeng Single Neck Round Bottom Flask Borosilicate Glass Heavy Wall Short Neck Boiling Flask with 24/29 Outer Join Using high-purity transparent borosilicate glass 3.3, with uniform wall thickness and low thermal expansion coefficient.Best Value iplusmile 
iplusmile Erlenmeyer Flask 150ml Borosilicate Glass – Wide Mouth for Easy Cleaning Precise Measurement – for Laboratory ✨💡Glass Flask Erlenmeyer Conical Flask with Stopper for Laboratory Experiment Chemistry Glass Flask Erlenmeyer Flask ChJiaoFengHeng 
JiaoFengHeng Vacuum Filtering Kit Lab Vacuum Filtration Distillation Apparatus with Vacuum Filtration Pump, Filtering Fl Funnel is crafted from porcelain ceramic, while the filter flask is made of heavy-wall glass,with uniform wall thicknessYIOOSA 
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 expanHALODAY 
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