Date: 03/22/2009 Views: 7442
Date: 09/02/2009 Views: 5452
Date: 12/31/1969 Views: 4150
Date: 08/23/2023 Views: 693406
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.