Car enthusiasts and mechanics, this UView PAG oil is exactly what you need for proper AC system maintenance! The 1-pound package contains high-quality polyalkylene glycol oil that's essential for keeping your air conditioning system running smoothly. The 2.4x10x10.4 cm size is compact but contains enough oil for multiple applications. This is professional-grade stuff that meets automotive industry standards. Perfect for recharging AC systems, topping up existing systems, or professional automotive repair work. The quality is consistent with UView's reputation for reliable automotive products. Whether you're a DIYer working on your own vehicles or a professional mechanic, this PAG oil delivers the performance you need. Your car's AC system will run cooler and more efficiently with the proper lubrication this provides. Essential maintenance supplies that every car owner should have on hand for those warm months when you really need your air conditioning!