PACKAGE INCLUDED: You will receive 5 x 16.5mm high side port caps (red) and 5 x 13.5mm low side port caps (blue). These car air conditioning repair parts are resistant to high pressure and corrosion, which can increase your efficiency economically. PREMIUM MATERIAL: Our caps are made of high-quality plastic with durable rubber gaskets. These caps are durable and solidly constructed to ensure a tight seal and protect your air conditioning system from debris for optimal performance. VERSATILE: Our protective caps are suitable for a wide range of vehicles equipped with an R134a air conditioning system. They are versatile and suitable for different car models, ensuring secure installation and effective sealing of your air conditioning system Good performance: The air conditioning service cover provides excellent dust protection, effectively preventing dust and particles from entering the filler ports and preventing them from clogging. The service port is the most common leak point for air