O-ring, FETFE, extra thick, Specialty NMR Sample Tubes, Tip-Off NMR Sample Tubes, Tip-Off Adapter with Vacuum Valve
The Tip-Off Adapter / Valve features a high vacuum valve with a sturdy Teflon plug and twoTeflon-clad o-rings.The bulbous plug tip makes an inert and positive seal to isolate the vacuum line.The valve has a 0-4mm orifice.The Tip-Off Adapter / Valve can be mounted easily with a clamp to a lab rack.