Date: 02/12/2004 Views: 3280
Date: 07/04/2004 Views: 3706
Date: 05/25/2008 Views: 3147
Date: 08/23/2023 Views: 194066
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.