Aeroquip FCG0620 #6 Blue AQP Hose 20′ Air Brake Compressor Discharge Hose Connec. EST, MON to FRI. Brake > Electrical Connectors > Air Brake Compressor Discharge Hose Connector. Aeroquip FCG0620 #6 Blue AQP Hose 20. Aeroquip – FCG0620 – #6 Blue AQP Hose 20′ – Hose – AQP High Pressure Hose – 6 AN – 20 ft – Braided Fabric / Rubber – Blue – Each.