This pipet pump accepts both disposable and standard pipets (per ASTM Standard E714-80) and is able to handle even corrosive or toxic liquids.  The pump is equipped with a flexible tapered chuck so that pipets fit easily.  Precise filling or emptying is achieved through rotation of the toothed wheel backward or forward.  For rapid emptying the plunger should be pressed.  The pipet pump is available in four iridescent colors for easy identification. Also available rapid-release lever which provides side air entry for fast emptying.