Potrubie prívodu vzduchu

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