Date: 12/31/1969 Views: 3879
Date: 12/31/1969 Views: 2753
Date: 03/19/2007 Views: 3355
Date: 08/23/2023 Views: 218980
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!