Oakton 35808-89 All-in-One Waterproof Epoxy-Body, Gel-Filled pH Electrode, Semi-dome, Double-Junction, 3' Cable

Special close-knit ceramic junction prevents back diffusion problems and resists clogging. Vortexing junction design enhances electrolyte flow and self-cleans in flowing applications. Epoxy body; polymer gel reference fill won't break down over time, enhancing electrode performance and longevity.