Date: 09/10/2006 Views: 5373
Date: 07/05/2007 Views: 4979
Date: 10/11/2009 Views: 5013
Date: 08/23/2023 Views: 702791
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.