The Humydry 6-pack of 3 refill bags (18 refills total) is designed for use with the Humydry 8.8 oz dehumidifier. These unscented, individually wrapped refills contain calcium chloride granules that automatically activate to absorb excess moisture in small to medium spaces up to 100 sq. ft. The pre-measured refill bags make for easy, mess-free use, helping to maintain optimal humidity levels and air quality in your home or office without the need for electricity or batteries. 6 packs of 3 refill bags specifically designed to work with Humydry 8.8 oz dehumidifier (18 refills in total) Designed for use in closets, bedrooms, bathrooms, nurseries, laundry rooms, or small to medium spaces up to 100 square feet. Each refill bag is individually packaged to ensure the absorbent granules stay fresh until use. Contains calcium chloride, an absorbent granule that activates automatically when there is excess humidity. Easy to use with no mess or spills. Made in Spain