This sturdy pipetting device accepts both disposable and standard pipettes in the flexible tapered chuck, per ASTM Standard E714-80.

• Safe, accurate and trouble-free pipetting
• Simple, one-handed operation
• Color-coded for quick identification

Press plunger for rapid emptying. Resistant to acids and alkalis, they are color-coded for easy size identification. Disassemble all parts for cleaning and before autoclaving at 121 °C (250 °F) for 20 min except the chuck which should not be autoclaved.

Toothed wheel rotates forward or backward for precise filling or emptying.