The air conditioning service charging port caps are essential for maintaining your vehicle's air conditioning system. These caps protect the service ports , debris, ,ensuring optimal performance. To use, simply screw the caps onto the high and low-pressure service ports after servicing or recharging the . This helps to prevent leaks and prolongs the life of the components. Features -Color:Assorted Color -Material:ABS -Size:2.00X1.80X1.80cm/0.79X0.71X0.71in -Durable material: made from materials, these caps are designed to be durable and reliable, ensuring longterm use without frequent replacements -fit: specifically designed for automotive air conditioning repair, these caps match original parts, making installation easy and -Effective protection: the charging port caps and valve caps effectively protect the car's air conditioning system and debris, maintaining optimal performance -Efficiency boost: using the air conditioning service exchange system can significantly improve repair efficiency, saving time and labor costs for technicians -Multifunctional design: besides being repair parts, these caps can also serve as upgrade components for the car's air conditioning system, enhancing overall performance Package list: 12 air conditioning valve covers