Fully functional, very clean, original tags. Micro diaphragm liquid pump by KNF Flodos, model PML5177-UNF 1.100. Specifications: 24V, 18W, 6 Bar, 0.75 A. Can be installed in any position and is self priming, maintenance free, can be run dry and has a long lifetime. Pre-owned and tested industrial surplus from a closing plant in Quebec, Canada. Minor surface scratches only.