Date: 09/03/2007 Views: 9823
Date: 08/11/2009 Views: 6201
Date: 05/07/2004 Views: 3656
Date: 08/23/2023 Views: 729407
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.