PYREX Cover for 2L – 4L Reaction Kettle, 3 Side-Ne

Corning These PYREX(r) kettle covers are for 2L to 4L kettle bodies (No. 6946). Covers have a sturdy wall and a wider 6 inch tooled flat flange at bottom which has a groove in the face to take an O-ring (140mm) for a greaseless tight seal. Center neck and three side necks are 120° apart. All four necks have full length 29/42 Standard Taper outer joints. Viton(r) O-ring must be ordered separately. For O-rings, see No. 6946-R140; for stainless steel McCarter kettle clamps, see No. 6946B-140. - COG