Date: 10/25/2009 Views: 7718
Date: 10/28/2010 Views: 5937
Date: 02/19/2006 Views: 5816
Date: 08/23/2023 Views: 722526
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.