Medline Urinary Drain Bags, Case of 20 brand_Medipore For external use only For external use only Pouch locking system 000 ml Various access port designs availableWARNING: Cancer and Reproductive Harm www Medline drain bags have a slide tap for easy one handed drainage All drain bags have a reinforced hanger with built in anti kink drain tube guide and adjustable bed sheet clam Drain bags come with an option of an anti reflux device: The anti reflux tower provides anti reflux protection without mechanical parts to hinder flow The anti reflux device has a clear one way mylar valve for visualization of urine flow The anti reflux valve flap system minimizes back flow into the drainage tube Drain bags available with metal clamp or slide tap drainage port