Indicating Drierite, No. 4 Granules

Indicating Drierite is used to rapidly absorb water vapor from air and gases. Made from cobalt chloride impregnated granules, the blue Drierite crystals change to a distinct pink color when exhausted. Indicating Drierite can be regenerated in an oven for longer life or can be replaced as needed.

Comes in a 5lb (2.3kg) jar.

Features:

• Can be reused after regenerating in oven
• Color changes to pink indicating moisture have been absorbed