Get current pricing for Watson Marlow, Watson Marlow-47947-ID Auto-drive, With 501/rl Pumphead Which Can Pump From 2.3ml Per Minute To 2.2-liters Per Minute, Accepts Tubing Sizes From 0.5-8.0 Mm, And Runs At Spee . Product Category: Lab Equipment, Sub Category: Pumps (liquid, Other):