2-Port, 1L Square Storage Bottle Transfer Cap, TPE Tube (1/4" ID 3/8" OD), MPC Connector, Without Bottle, Sterile, 1/pk, 10/cs - C51121-BBB060B 250mL They are "high efficiency" in

They are "high efficiency" in that a 3L flask has 230mm diameter footprint

they are designed to ensure the caps and vials shrink at the same rate in the cold to eliminate leaks

Nest Scientific Microcentrifuge tubes are made of additive free polypropylene with minimal extractables and leachables

in vitro hemolysis Physicochemical Purity Test USP <1663>/<1664> compatibility

2-Port, 1L Square Storage Bottle Transfer Cap, TPE Tube (1/4" ID 3/8" OD), MPC Connector, Without Bottle, Sterile, 1/pk, 10/cs - C51121-BBB060B 250mL They are "high efficiency" inTransfer caps only, square media bottles are sold separately Cap and connector details: Individually wrapped, sterile 1 assembly per bag 10 per case For use with 1000mL square media bottles Male MPC connector with female MPC plug Tubing details: Attached, weldable thermoplastic elastomer (TPE) external transfer tube TPE tubing manufactured by St. Gobain TPE tubing weldable and compatible with a wide range of tube welders 60cm long external TPE