Using Cheminert LC valve design and 24 V motor, Cheminert Series C65 Liquid Handling Stream Selector connects to instrument's power supply. Unit comes in 4-, 6-, 8-, and 10-position configurations with choice of 1/4-28 fittings for 1/8 in. OD tubing and 10-32 or 1/4-28 for 1/16 in. OD tubing.