Special Features:

Gel filled ampule; ampule goes inside sterilizer during sterilization; after sterilization the ampule is removed and crushed and put on media culture to indicate whether growth of microbes has taken place to prove sterilization process; unit issue: 2 boxes per case; 30 per box; 60 per case

Properties:

A substance which, by physical or chemical change, indicates that a degree of heat sufficient to effect sterilization of all items within a sterilizer has been attained.