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Thermo Scientific Headspace Crimp-Top Vials, Thermo Scientific C4020-2 Vials Round-Bottom w/ Free S&H — 2 models

National Scientific Headspace Crimp-Top Vials, National Scientific C4020-2 Vials Round-Bottom
National Scientific Headspace Crimp-Top Vials, National Scientific C4020-2 Vials Round-Bottom
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National Scientific Headspace Crimp-Top Vials, National Scientific C4020-2 Vials Round-Bottom

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Product Info for Thermo Scientific Headspace Crimp-Top Vials, Thermo Scientific C4020-2 Vials Round-Bottom

Vials feature a beveled crimp finish which gives a much tighter seal than flat crimp surfaces. Manufactured from clear 33 expansion borosilicate glass. Flat-bottom vials feature a slightly longer neck, providing a custom fit for Carlo Erba and Agilent* autosamplers. Round-bottom vials are designed to fit PerkinElmer*, Tekmar*, and Varian* headspace autosamplers. Seals have attached septa, unless otherwise specified.image