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        COXO Secondary water vapor filter layer    
    
    
        Secondary water vapor filter layer 
Used to absorb water vapor, replacement period is 1 – 2 months
 
 
    
                                                    
         
                
     
    
        
    
    
                
                
                
        
                                                                                            
                        
                            Secondary water vapor filter layer 
Used to absorb water vapor, replacement period is 1 – 2 months