The Olympus MH-443 Suction Valve is a precision-engineered replacement part used in Olympus endoscopy systems to control suction during procedures. It attaches to the suction channel of flexible endoscopes and allows the operator to remove fluids, debris, or air efficiently. This valve is compatible with many Olympus series such as EVIS 140, 160, 180, and 190, making it widely useful in GI and diagnostic scopes. It is designed to be reusable and must be properly cleaned or sterilized before use. The MH-443 helps maintain a clear visual field and proper function, contributing to reliable performance in clinical settings Return Policy: Items are sold as-is with no returns or refunds available unless explicitly stated.