I don't know. I haven't seen it. It may be something that would hold up under pressure since it is approved for installation on planes.On a show I watch called power nation they build engines etc. their airlines or some sort of blue vinyl plastic pipe with brass fittings I wonder is this specifically made for airlines and what it actually is
 
	








 
 
		 
 
		 
 
		
 
 
		


 
 
		 
 
		 
 
		
