Styrene (Vinyl benzene)

Box of Colorimetric Tubes.  3 year shelf life from date of manufacture.

158SB is 2x 5 tubes per box.  Each sample uses 2 tubes. 5 samples total.

158S is 10 tubes per box.  Each sample uses 1 tube. 10 samples total.

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