Date: 04/19/2005 Views: 6615
Date: 12/31/1969 Views: 4405
Date: 04/08/2007 Views: 5760
Date: 08/23/2023 Views: 795399
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.