Date: 10/01/2005 Views: 4979
Date: 09/18/2010 Views: 7290
Date: 12/31/1969 Views: 5530
Date: 08/23/2023 Views: 725618
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.