Date: 07/20/2009 Views: 6632
Date: 02/02/2009 Views: 5886
Date: 12/31/1969 Views: 4340
Date: 08/23/2023 Views: 789065
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.