Date: 09/04/2005 Views: 3742
Date: 11/18/2013 Views: 2341
Date: 10/25/2009 Views: 4475
Date: 08/23/2023 Views: 211763
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.