Date: 03/11/2004 Views: 3739
Date: 04/10/2012 Views: 11167
Date: 10/30/2007 Views: 5190
Date: 08/23/2023 Views: 159845
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.