Date: 07/25/2010 Views: 7927
Date: 12/17/2006 Views: 4469
Date: 02/11/2004 Views: 4878
Date: 08/23/2023 Views: 724518
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.