Date: 12/31/1969 Views: 4229
Date: 08/13/2006 Views: 4382
Date: 06/06/2005 Views: 4620
Date: 08/23/2023 Views: 702732
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!