Hydrogen cyanide in blood, 2-30 mg/L

CRIMINAL INVESTIGATION TUBES (FOR SCREENING TEST ONLY)

Box of Colorimetric Tubes.  2 year shelf life from date of manufacture.

2x 5 Tubes per box.  Each sample uses 2 tubes. 5 Samples total.

This tube must be stored in a refrigerated place (0-10°C/32-50°F).

Air flow control orifice is required.