Olympus 290 Series O-Ring This o-ring is a compatible replacement part for Olympus 290 series flexible endoscopes (GIF-290 CF-290). It seals joints and connections against fluid and air leakage. Key Features Reliable sealing performance Medical-grade rubber construction Resistant to disinfectants Direct-fit replacement, no modification required Specifications Compatible Model GIF-290 CF-290 Material Medical Rubber Function Sealing Compatibility Suitable for Olympus 290 series