STERRAD NX Cassette, Batch # 12A078. || The STERRAD 100S and STERRAD NX sterilizations systems are low-temperature general purpose sterilizers used to sterilize heat and moisture sensitive reusable medical devices. The sterilant used is hydrogen peroxide supplied in cassette form as a separate accessory. The STERRAD Cassettes are used in conjunction with the STERRAD Sterilizers, and each cassette model is for use only in the matching sterilizer model.