Deki Film Capacitor Solutions offers Fan Regulator Switch Type Metallised Polyester Film Capacitors. Deki Film Capacitor Solutions is an ISO 9001:2000 certified company. The Fan Regulator Switch Type Metallised Polyester Film Capacitors are used in step type fan regulators. The Fan Regulator Switch Type Metallised Polyester Film Capacitors is low inductive cell of metallised polyester film coated with flame retardant grade epoxy resin.