There is a $100.00 minimum order required when purchasing "Ace Glass" products
Overview
Threaded both ends. #7 thred at top is supplied with 5029 nylon bushing and FETFE O-Ring for use with 5831, 5832 adjustable feed tubes. Size listed is Ace-Thred designation which refers to I.D. of tubing above lower thread and corresponds to 5820 column diameter.