Hach Filling Solution, Reference, 3 M KCl, 250 mL, LZW9500.99By Hach $38.19 | EA Quantity discounts available QuantityPrice Product #: 703824Mfr. Part #: LZW9500.99 This item is in stock Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description Filling solution for electrode reference element, Potassium Chloride (KCl), 3 M, 250 mL bottle DetailsBackDescription Filling solution for electrode reference element, Potassium Chloride (KCl), 3 M, 250 mL bottle