Fast Release Pipette Pump II

Designed for fast and efficient single-handed operation with glass or plastic pipettes.  Pipettes are easily inserted into a unique collar with stabilizing fingers to hold pipette securely.  Rotating the knurled thumb wheel draws liquid to the desired volume.  To empty rapidly, apply light pressure to the fast release lever.  For gradual dispensing, rotate the thumb wheel.  Easily disassembled for cleaning.  Sizes are color coded.