Click N Close Airtight Pneumatic Tube Specimen Container - Leak-Proof Medical Sample Transport for Labs & Hospitals

The Click N Close Pneumatic Tube Specimen Container offers secure and reliable storage for specimen samples. Its continually threaded lid is designed for a tight seal. You'll know an air-tight fit is secured with a natural motion and an audible "click" sound. Additionally, the container includes both ounce and milliliter graduations.