Potrubie prívodu vzduchu

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