Ace Glass 6472-23 300 mm Domed Head, KF Plane Flange, 7 Necks - Center - 45/50, (4) 45/50 and (2) 29/42

Domed-style glass head with 300 mm (12-inch) flat KF plane flange for use with matching reactor flasks like 6472-03, 6472-05, 6472-030, 6472-050 etc. Head has a 45/50 center neck, (4) 45/50, and (2) 29/42 side necks. Uses 6525-30 clamp (not included).