Ease of use Contamination free operation Adaptability with various pump models and tubing sizes Intuitive controls -- Start/Stop, Dispense/Purge and Prime Ease of maintenance IP31 enclosure rating allows for simple wipe down clean up Tubing runs the full length of the handle -- no interior surfaces to clean Diverse performance range Accommodates a wide range of tubing sizes from 0.8 to 8.0mm ID Dispense volumes from micro liters to more than 5 L/min., depending on the tubing size Ergonomic Design Easy-grip design for use with glove-protected hands Tilted head permits user to maintain a natural hand position thereby preventing hand injury Momentary switch helps reduce hand fatigue by eliminating the need for constant pressure on the switch Warranty and Services None