pH 4 .01 Calibration Pouches, 20 ml, Box of 20
Product Code #35653-01
OAKTON pH "Singles" pouches are convenient, air-tight pouches with high-precision calibration standards. Ideal for field use-take them to your test site for on-the-spot calibration. Pouches are labeled with a pH vs. Temperature chart and CAS numbers for "Right-to-Know" requirements.
Expiry Date: Nov, 2021