AERA-AdvancedEnergy FC-781August 24, 2012|AERA-AdvancedEnergy, Mass Flow Controllers Home » Mass Flow Controllers » AERA-AdvancedEnergy » AERA-AdvancedEnergy FC-781 Coastal Instruments services many of AERA-AdvancedEnergy mass flow controller models. The AERA-AdvancedEnergy FC-781 included in the list of products we service.