![3.5M KCl Reference Electrode Refill Kit](http://shop.waltron.net/cdn/shop/products/IMG_0324_{width}x.jpg?v=1501075963)
3.5M KCl Reference Electrode Refill Kit
N1234-548
The electrolyte is in a permanent bottle with tubing to connect to the sidearm reference electrode to maintain the electrode full of electrolyte at all times. Used in Waltron sodium analyzers.