Polymed Urine Bag Polyecho - Surginatalhttps://www.surginatal.com/critical-care/urology/polymed-urine-bag/Polymed Urine Bag Polyecho collects urine. It breaks the pee section and forestalls the upward movement of microorganisms. A urine bag attaches to a catheter tube. The capacity of the urine bag is 2000 ml The pee pack has a diaphragm valve to take out pee discharge to forestall.