Date: 09/15/2009 Views: 6600
Date: 12/31/1969 Views: 6882
Date: 05/10/2014 Views: 12220
Date: 08/23/2023 Views: 725036
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.