Date: 05/10/2005 Views: 4535
Date: 10/11/2009 Views: 6849
Date: 02/04/2009 Views: 6722
Date: 08/23/2023 Views: 771940
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.