Oakton (WD-35653-01) pH 4.01 Pouches 20-Box Size_UV 10-20 GPM For optimal performance

For optimal performance

and between filter stages to detect clogging or pressure drop

✓ 120V and 230V Compatible ✓ Four-Leg Configuration ✓ Iron & Aluminum Treatment ✓ Clack Engineering

Drift-Free Accuracy

Flushable Teflon Junction Double Junction Design Epoxy Body Refillable

Oakton (WD-35653-01) pH 4.01 Pouches 20-Box Size_UV 10-20 GPM For optimal performanceOakton Laboratory Calibration Solutions Oakton WD 35653 01 pH 4. 01 Calibration Pouches NIST traceable single use pH buffer pouches for reliable field and laboratory calibration NIST Traceable Standards 0. 01 pH Accuracy at 25C Premixed & Ready to Use 20 Single Use Pouches The Oakton WD 35653 01 delivers laboratory grade pH calibration in a convenient single use format. Each pouch contains pH 4. 01 buffer solution standardized against NIST references