National Scientific 20mm Crimp Seals without Septa
Unlined seals for use with all headspace vials
$105.00
* Aluminum seals are available in standard center hole, pressure release and tear-off forms
* Pressure release seals are designed to open when internal pressure exceeds 3.0+/-0.5bar
* Use tinplate seals for autosamplers employing magnetic vial transport
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