The DampRid 7.5 lbs. Moisture Absorber Refill container is an economical, easy-to-pour resealable for ANY Refillable Moisture Absorber. DampRid crystals attract and trap excess moisture from the air to eliminate stale, musty odors and creates Fresher, Cleaner Air. DampRid Moisture Absorbers can be used in Any Room in the house, basements, boats, RV’s, laundry rooms, storage areas, second homes and anywhere excess moisture and stagnant air are a problem. Simply pour crystals into refillable container and store to reuse for future refills.