Potrubie prívodu vzduchu

  _____   ____            ____          _____ 
 |_   _| / ___|   _   _  | ___|   ___  |  ___|
   | |   \___ \  | | | | |___ \  / __| | |_   
   | |    ___) | | |_| |  ___) | \__ \ |  _|  
   |_|   |____/   \__, | |____/  |___/ |_|    
                  |___/