

๐ ๏ธ Calibrate with Confidence โ Precision Gas, Professional Grade
This 58-liter aluminum cylinder delivers a precise 25 PPM hydrogen sulfide mixture in nitrogen at a robust 500 PSI operating pressure. Compatible with multiple 70-Series regulators and proudly made in the USA, itโs engineered for professionals demanding accuracy and reliability in gas calibration.
Trustpilot
2 days ago
1 month ago