Potrubie prívodu vzduchu

  ____   __  __  _____               ____    ____  
 | __ )  \ \/ / |___ /   _ __ ___   |___ \  / ___| 
 |  _ \   \  /    |_ \  | '_ ` _ \    __) | \___ \ 
 | |_) |  /  \   ___) | | | | | | |  / __/   ___) |
 |____/  /_/\_\ |____/  |_| |_| |_| |_____| |____/