The Bard Medical Latex Free Urinary Drainage Bag has a rounded, teardrop shape that ensures more efficient drainage. The Bard EZ-LOK® sampling port eliminates the risk of needle stick injuries and allows for needle-free aspiration. Comes with single hook hanger, anti-reflux valve, vented drip chamber and urine sample port on catheter connector tubing. Features: Unique dome design of the Anti-Reflux Chamber prevents urine reflux from the urine drain bag back into the drainage tube. Bard Microbicidal Outlet Tube protects the drain bag from contamination resulting from retrograde bacterial migration. Sterile. Single use.