Date: 04/26/2008 Views: 5624
Date: 06/14/2008 Views: 4444
Date: 04/30/2009 Views: 5831
Date: 08/23/2023 Views: 804915
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.