Date: 07/19/2007 Views: 2710
Date: 03/17/2008 Views: 3003
Date: 04/02/2007 Views: 4864
Date: 08/23/2023 Views: 193396
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.