Date: 02/12/2006 Views: 4087
Date: 04/02/2009 Views: 4197
Date: 07/19/2007 Views: 4944
Date: 08/23/2023 Views: 747676
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.