Thermo Fisher, 3751-42, Nalgene™ HDPE Biotainer™ Bottles

Nalgene HDPE Biotainer bottle 3751-42 is used for sterile storage and transportation of biological materials and upstream process solutions. The 4 L round bottle is constructed from high-density polyethylene and includes a silicone-lined polypropylene 38 mm closure. The closure prevents leakage at ambient temperature and pressure when used with the matching Nalgene closure. Gamma irradiation sterilizes each bottle to a sterility assurance level of 10^-6, so users can place the container into service without a separate cleaning, sterilization, and validation cycle. The bottle supports storage from -100 °C to +120 °C and is not autoclavable. The materials meet USP Class VI, USP , and FDA 21 CFR 177.1520 requirements; the bottle is also non-cytotoxic and non-pyrogenic. The narrow-mouth design has a 28 mm inner neck diameter; overall dimensions are 143 mm in diameter and 299 mm in height. It fits upstream process-solution storage, validation, and transportation workflows. Catalog number 3751-42 uses lab-pack packaging: eight bottles per pack and 24 bottles per case. The bottle includes its closure and carries a 90-day product warranty. This arrangement separates the case into smaller handling units while retaining the sterile 4 L HDPE container, broad temperature range, secure closure, and validation-ready construction.