Date: 01/07/2004 Views: 7208
Date: 04/29/2006 Views: 6576
Date: 04/07/2006 Views: 6617
Date: 08/23/2023 Views: 856783
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.