Dri-Z-Air Refill Crystals, 736-g

Dri-Z-Air refill crystals help remove moisture from recreational vehicles during storage, keeping clothes, shoes and other items dry and fresh. The crystals absorb excess humidity, preventing condensation build up on windows, walls and ceilings. Simply place an open container of the compact crystals inside your trailer or camper while not in use, and they'll work to combat mould and mildew growth.