This blue wiper seal is made for manual wiper mechanisms in Berson UV systems. It prevents water from penetrating the mechanism while ensuring smooth and stable movement of the wiper. Made of flexible and hard-wearing material for a long service life. Key benefits: Adapted for manual wiper mechanism. Blue sealing ring - easy to identify. Prevents leakage and ensures smooth operation. Easy to fit during service. Please contact us if you are unsure whether this wiper seal fits your UV system.