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500mL Spherical Joint Round Bottom Receiving Flask - 1 neck 35/20
USA LabRBF500MLS35$30.00Our 500mL S35/20 1 Neck Spherical Joint Round Bottom Flask is constructed with 3.3 Borosilicate Glass and a 35/20 neck for a durable, common-size receiving flask to use. -
2000mL Spherical Joint Round Bottom Receiving Flask - 1 neck 35/20
USA LabRBF2LS35$55.00Our 2L S35/20 1 Neck Spherical Joint Round Bottom 2000ml flask is constructed with 3.3 Borosilicate Glass and a 35/20 neck for a durable, common-size receiving flask to use. -
1000mL Spherical Joint Round Bottom Receiving Flask - 1 neck 35/20
USA LabRBF1LS35$40.00Our 1000mL S35/20 Spherical Joint Round Bottom Receiving One Neck Flask is constructed with 3.3 Borosilicate Glass and a 35/20 neck for a durable, common size flask to use. -
USA Made 1 Neck Round Bottom Flask - 24/40
USA Lab$65.00 - $399.00The Round Bottom Flask Made in the USA is your classic RBF, except its made of one of the highest rated glasses in America. -
USA Made 2 Neck Round Bottom Flask - 100MM Center - 24/40 Side - 12L , 22L
USA Lab$999.00 - $1,399.00The USA Lab 100mm Two Neck Round Bottom Flasks are made of one of the highest grade glasses in America. The 100mm opening allows for a better flow when applied to a fully assembled short path kit.
Description
The Made in USA S35/20 Round Bottom Spherical Flask is your classic RBF, except its made of one of the highest rated glasses in America.
The spherical joining method allows some flexibility in the mating angles of the pieces being joined, which can be particularly important with heavy flasks or long pieces of glassware that would otherwise be difficult to support and potentially snap under bending loads.
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