Date: 04/16/2008 Views: 7915
Date: 07/04/2007 Views: 8843
Date: 01/23/2006 Views: 3796
Date: 08/23/2023 Views: 771821
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.