Olympus 290 Series Silicone Seal The Silicone Seal is a compatible replacement component designed for Olympus 290 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 silicone for long service life. Consistent Performance :