ActronAir Indoor Fan Capacitor 4uF P2 with Cover is the run capacitor for ActronAir indoor fan motors rated at 4uF, providing correct phase shift for single-phase AC induction motor starting and continuous running on lower-wattage indoor fan assemblies. The included protective cover prevents moisture ingress and accidental contact with capacitor terminals in the indoor unit control box. Isolate power at mains before replacing any capacitor components.