Foxx Life Sciences EZBio Made To Order MTO 500mL PETG (Polyethylene Terephthalate Glycol-modified) Single Use Bottles. The EZBio MTO Single-Use Non Sterile PETG Media Bottle Assembly is an Innovative and Cost-Efficient Solution. Assemblies includes a PETG Bottle, Open-Cap, 2-Ported Adapter (Insert) with 2x 1/4" (6.4mm) Hose Barb Ports and one extra closed cap for storage. Bottle volumes range from 125ml to 2L. 125ml to 1000mL (1L) bottle assemblies come with an open-top 38-430 cap and two port adapter with 2x 1/4" (6.4mm) hose barbs. 2L Bottles come with an open top 53B VersaCap Closure and two port adapter with 2x 1/4" (6.4mm). Assemblies are made entirely with USP Class VI components and are perfect for Fluid Transfer and Storage Applications.