Date: 10/30/2007 Views: 11075
Date: 08/05/2012 Views: 17633
Date: 10/08/2009 Views: 10349
Date: 08/23/2023 Views: 751215
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.