Date: 03/10/2011 Views: 5032
Date: 04/17/2015 Views: 24456
Date: 04/14/2010 Views: 8791
Date: 08/23/2023 Views: 795766
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.