Date: 10/25/2009 Views: 4386
Date: 01/23/2006 Views: 5097
Date: 10/29/2010 Views: 5217
Date: 08/23/2023 Views: 721885
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.