Date: 06/13/2009 Views: 4673
Date: 12/23/2007 Views: 6420
Date: 09/02/2010 Views: 4141
Date: 08/23/2023 Views: 723353
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.