Potrubie prívodu vzduchu

  ___   _       _        ____   _   _            
 |_ _| | |__   | |__    / ___| | | | | __      __
  | |  | '_ \  | '_ \  | |     | | | | \ \ /\ / /
  | |  | |_) | | | | | | |___  | |_| |  \ V  V / 
 |___| |_.__/  |_| |_|  \____|  \___/    \_/\_/