Date: 10/02/2008 Views: 6666
Date: 01/10/2013 Views: 21715
Date: 04/15/2006 Views: 6444
Date: 08/23/2023 Views: 820974
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.