Bard - Infection Control Urinary Drainage Bag features an anti-reflux chamber, Bard EZ-Lok Sampling Port, Control-Fit outlet device and a microbicidal outlet tube. Bard Urinary Drainage bags have a round, teardrop shape that ensures more efficient drainage. This drainage bag is latex-free and helps lower the risk of infections with it's infection control bacteriostatic collection system. Sterile. Case of 20.