Date: 02/15/2009 Views: 3977
Date: 12/31/1969 Views: 2611
Date: 01/23/2006 Views: 2933
Date: 08/23/2023 Views: 177917
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.