PH TEST PAPER PH 6.0-8.0 RL REF, Case of 50

Details

Hydrion pH 6.0-8.0 Paper Refills^ 5rolls/PK. Short Range pH (6.0-8.0) paper showing a sharp color change for each half pH unit. 15 Foot Rolls of pH paper with 2 color charts. For Standard Single and Double Roll Dispensers. Packed in heat sealed aluminum foil and tightly secured in a plastic case.