Product No:
P 2.1S, P 4.1S and S1050 (10 ml/50 ml)
Venting screw KEL-F, Check valve unit KEL-F, O-ring (FFKM)
69 bar, for pumps with 50 ml pump head S100, S1050, P 2.1S and P 4.1S
without wiring, for 1/8" tubing
For higher flowrates