KOS is a multifunctional, bench top microwave processor. Built to process up to 110 cassettes at a time, KOS is ideal for smaller labs without large volumes or those in need of a processor that can also fulfill other functions within the lab. The multifunctional design of KOS allows it to be used successfully for many applications, including: rapid tissue processing, decalcification, special stains, fixation, gross hardening and antigen retrieval.