Dimensions: L6.0 x W19.0 x D7.25 For use with the Easy-Fill SystemJMoisture Absorbers only. The convenient Easy-Fill System Refill Pack loads quickly and easily without you handling the moisture absorbing chemical. Use 1 Refill pack in the Easy-Fill System Any Room Moisture Absorber, in the Easy-Fill Bathroom Moisture Absorber and in the 10.5 oz Refillable Moisture Absorber. Use 2 Refill packs in the Easy-Fill System Large Room Moisture Absorber system. Each lasts up to 60 days depending on temperature and conditions.