Vinyl chloride (Chloroethylene)

Box of Colorimetric Tubes.  132SA/SC = 3 year shelf life, 132SB = 1.5 year shelf life from date of manufacture.

132SA = 10 tubes per box.  Each sample uses 1 tube. 10 samples total.

132SB/SC = 2x 5 tubes per box.  Each sample uses 2 tubes.  5 samples total.

132SB must be stored in a refrigerated place (0-10°C/32-50°F).