Date: 10/08/2009 Views: 5395
Date: 01/25/2007 Views: 6830
Date: 12/09/2008 Views: 8402
Date: 08/23/2023 Views: 812456
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.