EKI NEUTRAL PHOSPHATE BUFFERED FORMALIN HISTOLOGY REAGENT, 1 GALLON, SOLD AS 4/CASE EK 4499-GALEki Neutral Phosphate Buffered Formalin Histology Reagent, 1 Gallon, Sold As 4 Case Ek 4499 Gal Fixative Is Manufactured With High Purity Water And Produced With Traditional Afip Formulation. Multistage Filtration Process Eliminates Particulate Contamination. Precisely Phosphate Buffered To Ph 6. 95 7. 05 There Are 3. 78 Liters Of Histology Reagent In Bottle. Formalin Fixative 10% Gl Histology Reagent Neutral Phosphate Buffered Formalin Fixative 10% 1