Masterflex L/S Easy-Load 3 pump head. Flow range from 0.06 to 2300 mL/min (depending on rpm and tube diameter). For tube sizes: L/S 13, 14, 16, 25, 17 and 18. Pump mounts without tools and in seconds. The mounting plate allows its use with the L/S models. Three rollers. Fixed occlusion. Polypropylene material and laminated steel. Dimensions (ALF) 121*88*78 mm. User manual.