Keep your vehicle cool and comfortable with Arctic Air for R1234yf Systems. This advanced formula is designed to help your A/C system deliver colder air while protecting it from hidden moisture that can cause long-term issues. Each 4oz can combines two powerful additives into one: a drying agent that helps reduce moisture inside the system, and a performance booster that reduces internal friction and stress. The result? Colder duct temperatures, smoother operation, and longer-lasting performance. Moisture buildup inside an A/C system can lead to freeze-ups, corrosion, or reduced cooling efficiency. By removing moisture and improving system performance, Arctic Air helps keep your car's cooling system running strong even in the hottest weather. Installation is quick and simple. The can connects the same way as other A/C service additives, using the proper hose and gauge. (For vehicles using 1234yf connections, the top of this can is a 134a style thread, so the correct adapter is required. Compatible hoses and gauges are available separately under product numbers 3600, 3610, 3635, and 3615.) With Arctic Air, you don't just restore cooling — you help extend the life of your system by reducing wear, protecting components, and maintaining consistent performance.