Date: 09/16/2007 Views: 6180
Date: 08/02/2003 Views: 6593
Date: 01/25/2013 Views: 19735
Date: 08/23/2023 Views: 724490
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.