Date: 08/09/2009 Views: 6294
Date: 08/10/2008 Views: 5589
Date: 12/31/1969 Views: 7536
Date: 08/23/2023 Views: 807106
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.