Olympus 190 Series Suction Valve The Suction Valve is a compatible replacement component designed for Olympus 190 Series flexible endoscopes. It is supplied for endoscope repair and refurbishment, helping service centers and hospitals restore equipment to reliable working condition at a controlled cost. Key Features Exact Fit : Engineered to match the original mounting points of the endoscope. Durable Material : Made of plastic and silicone for long service life. Consistent