The Series 500 Wash System offers precision compressor blade maintenance ideal for hangar or tarmac use. Reduce engine operating costs and increase performance with regular compressor blade maintenance. This system will deliver wash and rinse cycles within manufacturer specifications so you can be confident that critical engine components are being maintained safely, easily and with precision. The HT-500-CWA is a portable compressor washer that uses two 5 gallon tanks. You can wash 2 engines at the same time. Comes with a rechargeable air tank that allows washing of compressor on the ramp without air hoses. *Eliminates air hoses on the tarmac. Quick connect / disconnect adapter fitting for aircraft not included. Used for all aircraft models excluding R22, R44.