Ace Glass 5841-16 Ace-Thred, #25 to 25 Nylon Coupling with Front Seal and FETFE O-Rings

Join together two Ace-Threds™ for a leak tight seal and no significant reduction in bore-thru I. D. For coupling threaded columns together, or to end fittings with single O-Ring seal for leak-tight engagement with hand pressure and no significant size reduction in I.D. Size listed refers to inside diameter of threds. Use with Ace Glass 5820 and 5821 columns. Supplied with (2) front seal O-Rings.