Product No:
P 4.1S, P 2.1S, P 6.1L (10 ml)
Venting screw KEL-F, Check valve unit KEL-F, O-ring (FFKM)
for preparative pumps, 1/2"-20 UNF, PEEK
P 4.1S, P 2.1S, P 6.1L (50 ml)
for K-1800, stainless steel, 2-fold, preparative, up to 1000 ml