These air conditioning valve are good for keeping your car's system in top condition. By sealing the valve cores, they prevent and debris from causing blockages or damage. The caps are easy to install and remove, making them a convenient way for regular maintenance of your air conditioning system. Features -Color:Sky-blue -Material:Pp -Size:1.50X1.50X1.00cm/0.59X0.59X0.39in -Sturdy construction: made from sturdy materials, these valve core caps are designed to withstand wear and provide excellent protection -Dual functionality: these caps are suitable for both high and low pressure valve cores, offering dual functionality for your air conditioning system -Simple to use: the caps are easy to install, requiring no professional tools, making it convenient to protect your air conditioning valves -Extensive compatibility: compatible with various car air conditioning systems, these caps help keep your pipelines free from and debris -Plenty of caps: the package providing enough for multiple replacements and ensuring longterm protection for your air conditioning system Package list: 20pcs (10pcs H, 10pcs L) air conditioning pipeline dustproof cap