"r404a compatible refrigeration oil separator"

YINHUASHENG 500H R404A Compatible High-Pressure Sealed Steel Oil Return Separator for Automatic Oil Recovery in Truck Reefer Systems

YINHUASHENG 500H oil return separator efficiently recovers refrigeration oil in truck reefer systems. Features shock-resistant steel construction, clear flow markings, and universal R404A compatibility. Prevents compressor damage and extends cold chain unit lifespan.