The Vacuette 456073P 5ml CAT Serum Sep Clot Activator is a product manufactured by Greiner Bio-One in the United States. It is designed for use in various laboratory settings, including physical, immunology, dental, veterinary, medical, and microbiological laboratories. With an expiration date of 2021-04-11, this non-ridged tube contains 50 pieces and is ideal for clot activation in serum separation procedures.