Date: 12/31/1969 Views: 5076
Date: 12/31/1969 Views: 4525
Date: 01/23/2006 Views: 4646
Date: 08/23/2023 Views: 703060
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!