Date: 12/31/1969 Views: 3853
Date: 09/11/2004 Views: 1691
Date: 07/19/2007 Views: 2467
Date: 08/23/2023 Views: 84183
Date: 05/23/2007 Views: 532070
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.