DIVERSITECH Super Change - R22 System Retrofit is a fast and easy solution for HVAC/R contractors to convert systems from non-POE oils and R22 refrigerants to newer HFC refrigerants like R407C and R410A. This product eliminates the need to flush the system (excluding compressor burnouts), creating a chemical link between the old and new oils for seamless compatibility. Ideal for efficient system retrofitting and improving performance with minimal effort.