Foxx Life Sciences Round Heavy Duty Vacuum Bottles combine maximum ease of use and versatility, with the highest level of strength and durability. Round Heavy Duty Vacuum Bottles have thick walls that can hold near full vacuum for 24 hours, making them excellent replacements for glass HPLC containers, and ideal for applications involving liquid aspiration, cell harvesting, and degasification. All Round Heavy Duty Vacuum Bottles are compatible with either 53B or 83B VersaCap® technology and adapters, enabling easy customization of the bottle to fit your application. Foxx Heavy Duty Vacuum Bottles include a Closed Cap VersaCap®