Date: 01/23/2006 Views: 5327
Date: 04/23/2009 Views: 4141
Date: 05/19/2008 Views: 4798
Date: 08/23/2023 Views: 705096
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.