Date: 04/13/2010 Views: 9187
Date: 03/04/2016 Views: 8423
Date: 07/29/2003 Views: 8747
Date: 08/23/2023 Views: 770993
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.