Used Table top hose pump by Watson Marlow Model 520 SN/R2 pump, serial # 050. 713n. 2la. Features table top design, nema 4 x water tight construction, touch sensitive control pad with digital display, clear plastic hinged pump head door, 120 volt/1 phase/ 50-60 hz, maximum pump speed 220 rpm, ip66 enclosure, flow rates 4 microlite/min to 3. 5 liter/min, manufacturers spec sheet attached. Formerly used in branded personal care products.