Potrubie prívodu vzduchu

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