Date: 08/31/2007 Views: 6705
Date: 05/01/2005 Views: 3922
Date: 07/18/2004 Views: 5753
Date: 08/23/2023 Views: 770955
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.