Date: 02/03/2009 Views: 2749
Date: 08/31/2007 Views: 2465
Date: 04/26/2006 Views: 3052
Date: 08/23/2023 Views: 94374
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.