Date: 09/10/2004 Views: 3250
Date: 09/02/2004 Views: 6712
Date: 07/29/2007 Views: 3550
Date: 08/23/2023 Views: 724878
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.