Function The wind channel spoiler directs airflow to press the wiper closer to the glass at high speeds, enhancing water removal and improving visibility. Universal compatibility Designed to fit all vehicle types. Works with cars, trucks, SUVs and commercial vehicles. Package contents Includes 2 wiper pressure regulators and 2 wiper mounting brackets. Easy installation Simply attach to your windshield wipers and use as normal without special tools. Why you need it Improves wiping performance in rain by increasing contact with the glass, reducing streaks and improving visibility at higher speeds. Use scenarios - Driving on highways in heavy rain where clear visibility is critical. - City commuting during sudden downpours, helping maintain a clean windshield quickly. - Fleet applications where multiple vehicles require a consistent, enhanced wiper performance.