Date: 09/21/2007 Views: 3060
Date: 11/25/2007 Views: 3408
Date: 12/31/1969 Views: 3835
Date: 08/23/2023 Views: 190538
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.