The Koolflush 5000 and N2 Pro A/C Service centres spearhead our next generation of "Fully Automatic" Air Conditioning Service Centres. Available in both 134a and 1234yf variants, they are designed for simplicity and ease of use. The Koolflush Series expands on the N2 Pro system with the ability to flush a vehicles Air Conditioning System using refrigerant ensuring they are free from contamination. For more information on each model please see below.