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. If you have any further questions, please feel free to contact us. We look forward to serving you in the future. ATTRACTS AND TRAPS EXCESS MOISTURE: DampRid Mega Moisture Absorber 7.5-pound Refill attracts and traps excess moisture out of the air in large spaces. ELIMINATES MUSTY ODORS: DampRid eliminates musty odors by absorbing excess moisture in places with damp, stagnant air PERFECT FOR LARGER AREAS where excess moisture is an issue, like basements, second homes, rental properties, storage units, crawl spaces, stored boats and RVs. • Attracts & Traps Excess Moisture|• Eliminates Musty Odors