All industrial scientific calibration cylinders are manufactured to the highest quality standards and include NIST traceable blend techniques, analytical leak testing of every cylinder, certified component concentrations and clearly marked lot numbers and expiration dates.

INDUSTRIAL SCIENTIFIC 18109163 GAS CAL 25PPM H2S 18%O2 25% LEL PENTANE
Description
Packages
EA - 1 EA PER EA | PK - EA/PK |