The Olympus 3A09680 is a genuine OEM replacement cap designed specifically for the Olympus MAJ-902 Water Bottle. This essential component ensures a secure and sterile seal for the irrigation system used during endoscopic procedures. As a critical part of the endoscope’s water and air supply chain, this cap maintains system integrity and prevents leaks, guaranteeing reliable performance. It is manufactured to the highest standards by Olympus to ensure perfect compatibility and functionality with EVIS EXERA II, 190, 180, 160, and 140 series endoscopes when used with the corresponding water bottle. This cap is a vital spare part for any medical facility utilizing Olympus endoscopic equipment.