Aeroquip FCA1210 #12 Hose 10′ Air Brake Compressor Discharge Hose Connector. EST, MON to FRI. Brake > Electrical Connectors > Air Brake Compressor Discharge Hose Connector. Aeroquip FCA1210 #12 Hose 10. Aeroquip – FCA1210 – #12 Hose 10′ – Hose – AQP Racing Hose – 12 AN – 10 ft – Braided Stainless / Rubber – Natural – Each.