10 pound refill jug for use in the Dri-Z-Air unit. * Made in USA. * High quality grade calcium chloride. * Largest size in the market, 10 lbs. * Easy to use and store. Re-sealable. * Recyclable container. Use Dri-Z-Air in windows, bedrooms, bathrooms, basements, garages, storage units, boats and RVs. Protects from moisture. Helps prevent musty odors, mold and mildew. Helps prevent condensation on window and ceilings.