Foxx Life Sciences EZBio® Single Use Cap Assembly for 2000mL Bottles with Tubing and Vent Filters are perfect for fluid transfer and storage. Assemblies are made entirely with USP Class VI components and Gamma Irradiated in the United States. Assemblies take advantage of Foxx's patented VersaCap® technology which means there is no machining necessary to produce the product. Perfect for single use applications and to phase out costly stainless steel apparatuses that are expensive to clean and validate.