The AirSource A/C Expansion Valve is the perfect choice for regulating the flow of refrigerant in your A/C system. This valve is compatible with R-134a and R-12 refrigerants. It features a corrosion-resistant brass body and stainless steel strainer for durability and longevity. With this expansion valve, you can ensure efficient cooling performance and optimal A/C system operation. FleetPride is your First Click in Heavy Duty®.