HUMYDRY USA94301C12 Mobil Unscented Moisture Absorber Refill, 2.6-Ounce, 3-Pack Moisture absorber and air freshener self contained refill for HUMYDRY Mobil 2.6oz and Mobil Auto 2.6oz System (3x2.6oz) Odorless Moisture Absorber Self contained refills; The absorbed humidity stays inside the refill; No leaks no mess Easy and clean to refill Lasts up to 6 weeks depending on the humidity level and temperature