Supco APP120 Surge Protector for Refrigerator, Washing Machine, Dryer and Airconditioner SURGE PROTECTOR - The APP120 is an effective surge protector that protects big and small appliances against damages that sudden blackouts can cause. USE FOR CRITICAL APPLIANCES - This surge protector is for critical appliances like refrigerators, washing machines, dryers and airconditioners. FEATURES LIGHT INDICATORS - Three light indicators can be found in the APP120, namely, Protection, Delay and Ground. DESIGNED WITH SIDE PLUGIN - The unique side plugin and flat design allows refrigerator to be pushed back without damaging the plug - truly space saving! HIGH COMPATIBILITY - Made for use with all most appliance models. Please note that it is not for use with electric laundry dryers.