Date: 02/18/2009 Views: 3558
Date: 11/27/2013 Views: 6211
Date: 07/02/2009 Views: 4110
Date: 08/23/2023 Views: 693428
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.