Date: 12/31/1969 Views: 2573
Date: 12/31/1969 Views: 2592
Date: 06/11/2005 Views: 5956
Date: 08/23/2023 Views: 100465
Date: 05/23/2007 Views: 536426
Old 1/4 in (6.4 mm) vent on the top. Totally inadequate for the job. New 3/8 in (9.5 mm) vent on the bottom.