Date: 11/29/1999 Views: 5224
Date: 12/31/1969 Views: 4292
Date: 12/31/1969 Views: 4238
Date: 08/23/2023 Views: 704398
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.