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Van London pH Electrode, Threaded, PH 0-14, 0 to 100 c, 0 to 100 psi, UnGuarded, Glass
https://www.branom.com/shop/l-1000-van-london-ph-electrode-threaded-ph-0-14-0-to-100-c-0-to-100-psi-unguarded-glass-558669
https://www.branom.com/web/image/product.template/558669/image_1920?unique=c1b9893
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Elec, pH, Mono, L&N Cap, X-VD, 12x100mm, Type: Probe, pH