Date: 02/17/2010 Views: 5257
Date: 08/02/2003 Views: 6022
Date: 04/26/2007 Views: 5899
Date: 08/23/2023 Views: 704532
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.