Date: 12/31/1969 Views: 3680
Date: 01/22/2006 Views: 8373
Date: 12/31/1969 Views: 3868
Date: 08/23/2023 Views: 725680
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!