Date: 08/11/2009 Views: 8287
Date: 06/07/2006 Views: 6798
Date: 11/09/2008 Views: 5501
Date: 08/23/2023 Views: 819399
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.