Date: 09/02/2004 Views: 6497
Date: 02/19/2007 Views: 5313
Date: 04/15/2005 Views: 5547
Date: 08/23/2023 Views: 797736
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.