Durable construction built with professional manufacturing accuracy to support longterm use and reliable lab bottle storage Efficient access: quick insertion and removal of 18 mm test tubes to streamline workflows in experiments and beverage testing Versatile applications: suitable for laboratory testing and services across diverse fields; functions as a test tube tray rack and specimen rack capacity: holds up to 50 test tubes simultaneously, meeting the demands of busy labs and research environments Use scenarios throughput research labs: organize and access many tubes quickly during sample preparation and analysis Educational or teaching labs: manage multiple tubes for demonstrations, experiments, and student practice Clinical or field service settings: provide fast, orderly access to large numbers of tubes during onsite testing or service tasks