According to ISO 9002.DOT39 and EN12205.
Control valve not included, please order separately.

Gas sampling tubes
Tubes gas detection
Tubes sampling
Gas sampling tubes
Tubes gas detection
Tubes sampling
Gas sampling tubes
Tubes gas detection
Tubes sampling
Gas sampling tubes
Tubes gas detection
Tubes sampling
Gas sampling tubes
Tubes gas detection
Tubes sampling
Gas sampling tubes
Tubes gas detection
Tubes sampling
Gas sampling tubes
Tubes gas detection
Tubes sampling