Calibration Kit (99.99% O2 and 21.00% Oxygen)
Item # 07-0041

Item # 07-0591 - Calibration Kit. Two Regulator Valves, two tanks of calibrating gases (0, 5, 21.00 and 99.99% available)
with Cal Kit Tubing Assembly and hard plastic carry case. (35 Liter Tanks: approx 100 calibrations)