These Ethylene tubes work with the Air Sampling Pump to check environmental levels.
Specifications:
- Ranges: 1 to 200 ppm
- Sampling Time: 12 minutes (4 pump strokes)
- Detection Limit: 0.1 ppm
- Operating Temperature: 32°F to 104°F (0°C to 40°C)
- Color Change: Yellow to Blue
- Pack of 5 tubes