Date: 05/19/2008 Views: 7028
Date: 08/09/2009 Views: 6167
Date: 11/04/2005 Views: 4640
Date: 08/23/2023 Views: 829015
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.