BD-270124 Lid Inner For Gaspak 150, with Large O ring gasketBD 270124 Lid Inner for GasPak 150 is a replacement inner lid designed for use with the GasPak 150 anaerobic system. Featuring a large O ring gasket, it helps create and maintain an airtight seal necessary for controlled atmospheric conditions during microbiology and anaerobic culture applications. This replacement component supports reliable laboratory performance and system integrity.