Date: 12/31/1969 Views: 2517
Date: 12/24/2013 Views: 3694
Date: 05/30/2005 Views: 2503
Date: 08/23/2023 Views: 83755
Date: 05/23/2007 Views: 531892
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.