DampRid refill packs are quick and easy to use. Use one 10.5 Oz. in the refillable moisture absorber and the Easy-Fill system any room moisture absorber or two 10.5 Oz. in the Easy-Fill system large room moisture absorber. Simply follow the refill directions below for each product. DampRid eliminates the excess moisture in the air that causes musty odors and creates fresher, cleaner air