Close flat for compact storage! Pop up for quick use! Simple, easy action to open and close – expand and collapse when racks are needed. Designed to help organize 15 and 50mL tubes. Imprinted grid aids quick retrieval. Stack racks in open or closed position. Saves space when racks are not…

Float in small baths as well as large vessels Brightly-colored, high-density polyethylene foam racks are ideal for floating tubes in water baths, tubs, or beakers. Closed-cell foam resists water absorption so racks can be washed and reused. The blue round rack features unique…