Date: 12/31/1969 Views: 4876
Date: 03/22/2009 Views: 7486
Date: 04/14/2005 Views: 5725
Date: 08/23/2023 Views: 857724
Vent open. These things are VERY effective at directing a significant volume of cooling air at the occupants. I have flown in Rich Schultz's tri and he has them. They WORK!