Date: 11/28/2007 Views: 6988
Date: 12/01/2009 Views: 5620
Date: 04/15/2005 Views: 6664
Date: 08/23/2023 Views: 772072
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.