Date: 02/13/2010 Views: 8492
Date: 03/03/2005 Views: 6390
Date: 05/14/2006 Views: 5204
Date: 08/23/2023 Views: 857755
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.