Date: 01/23/2006 Views: 3651
Date: 10/31/2007 Views: 4282
Date: 12/16/2013 Views: 5051
Date: 08/23/2023 Views: 174434
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.