Date: 04/15/2012 Views: 19610
Date: 12/31/1969 Views: 3809
Date: 02/18/2007 Views: 4562
Date: 08/23/2023 Views: 792927
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.