Employs positive pressure; flow rates up to 3000 ml/min; accepts tubing sizes up to 0.313 in. Id x 0.063 in. Wall thickness; variable speed control; steel housing; 9.05 in. Long, 9.44 in. Wide, 5.0 in. High; weight 9.48 lbs.; electrical requirements; 115v, 50/60hz; includes 5 ft. Of 0.25 in. I.D. Celltube tubing