This listing is for a 3-pack of Anhydrous Calcium Chloride Moisture Vapor Test Kits, model ASTM 1869-11. The kits are in open box/like new condition, with each item sealed in its original packaging and appearing unused. The packaging is intact with no visible damage. These test kits are intended for use in physical laboratory settings and are suitable for moisture vapor testing applications. Each pack contains three units of calcium chloride, a common laboratory chemical used in various testing procedures.