Date: 12/31/1969 Views: 8643
Date: 03/12/2012 Views: 11150
Date: 06/08/2010 Views: 15351
Date: 08/23/2023 Views: 719215
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!