Lid Vessel 150mm 29/42 ,Each

Details:

5-Neck reaction vessel lid^ 150mm schott* flange, cn 29/42, 3-sn 24/40 vertical, 1-sn 24/40 angled 10 deg. Four side necks are vertical and one neck has a 10 deg degree angle. Lid has a flat ground surface allowing it to be greased or used with an o-ring