As liquid or product is drained out of a drum, air moves in. If the air is humid the water can condense in the drum and damage the contents. The desiccant cartridge dries the air as it enters the drum. This disposable cartridge absorbs up to .2 pounds of water vapor, dries air to a dew point of –100º F.

An indicator window in cartridge changes from blue to pink when the cartridge needs to be replaced. The dryer cartridge is filled with calcium sulfate and measures 2 11/16 inch Diameter x 10 inch Long. An adapter (Product code 404ADPT) mounts the cartridge in 3/4 inch or 2 inch NPS bung openings.