Date: 08/18/2004 Views: 2049
Date: 11/29/1999 Views: 2720
Date: 08/31/2010 Views: 2959
Date: 08/23/2023 Views: 84333
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.