Bard Infection Control Urine Drainage Bag with Anti-reflux Chamber and Bacteriostatic Collection System 2000mL, Sterile, Latex-free Bard Urine Drainage bags feature a rounded, teardrop shape that ensures more efficient drainage. Latex-free and bacteriostatic drainage bags are also available. The bacteriostatic collection bag is impregnated with a novel antimicrobial agent that resists pathogens commonly associated with CAUTIs. Our drainage bags are available in a wide range of sizes including larger capacities.