Methyl bromide

Box of Colorimetric Tubes.  157SA/SB = 3 year, 157JS = 2 year, 157SD = 1 year shelf life from date of manufacture.

157SA/SB/SD are 2x 5 tubes per box.  Each sample uses 2 tubes. 5 samples total.

157JS is 2x 10tubes per box.  Each sample uses 2 tubes. 10 samples total.

157SA/SB must be stored in a refrigerated place (0-10°C/32-50°F).