Designed specifically for use with Andersen EOGas™ and Anprolene Sterilizer Systems, this unique device ensures adequate Relative Humidity (RH) during the sterilization cycle. Each single-use pre-moistened 2″ x 2″ Humidichip releases up to 4 grams of water vapor. Employ Humidchip with a Humiditube™ in each sterilization cycle.