Our 4 pack of premium Dehumidifier Refill Bags are an eco-friendly and cost efficient way to control excess moisture and eliminate musty odors from small, enclosed spaces, we add activated charcoal to the standard moisture absorbing pellets for fresher and cleaner air! These refills are designed to fit our attractive refillable case (sold separately) which work great as a dehumidifier for closet , rv moisture absorber, closet refresher and more, you simply replace the inner dehumidifying bags as needed instead of throwing out the entire plastic container like with other brands. We proudly stand behind the quality of all our products! We are a family owned American business committed to making premium quality products and our customers happy.