New square polyethylene terephthalate (PET) storage bottles are easier to handle, require less space (13-20%) on the shelf and are ideal for mixing, sampling and storage. PET resin is lightweight, break-resistant and transparent as glass. Bottles use a linerless, one-piece orange GL45 threaded HDPE plug seal cap. Features: Good for storage of media, buffers and other aqueous solutions Large 37mm opening provides easier access for liquid transfer Screened white enamel graduations are easier to read than molded graduations Sterilized to SAL 10⁻⁶ Large white marking spot for easier identification and easy opening linear tear packaging Individually packaged bottles are sterilized by gamma radiation and are nonpyrogenic