Indicating Drierite, No.4 Granules

Indicating Drierite is used to absorb water vapor from air and gases rapidly. 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.

This model come in a 5lb (2.3kg) jar.

Features:

• It can be reused after regenerating in the oven
• Color changes to pink to indicate that moisture has been absorbed