efl.com have a Customer Happiness Grade of D.  Customers are  unhappy with their customer service.
        
    
            
        
            
            
        
        
        
        
            
                                    
                
                
                
        
            
                “
            
            Abysmal service. product is very flakey, they do not respond to issues - still waiting for a response almost a month after being charged for a service I shouldn't have been.            
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                         - Ian Marsden