Lillian Arbenz
                    
                    
                    
                    
                    
                    
                    
                        
                        
                        Have sleep apnea.  Had surgery 24 years ago.  Have the Dow Chemical Co. tracheostomy (Aberdeen Design Size 6)  Cat. No. 305-6  HH079143.Dow Chemical out of business, need to locate any product that may be available.  Please help so additional surgery not necessary.Thank you.