The Histo-Tek VP1 tissue processor automatically performs in a single processing retort a series of tissue processing steps, including fixation, dehydration, defatting and paraffin infiltration, to prepare pathological samples for histological studies and tests conducted in the fields of pathology, anatomy, clinical pathology, etc. Up to 300 Tissue-Tek Uni-cassettes containing specimens can be processed in a single cycle with its capacity equal to 300 cassettes in two baskets, thus meeting the market standards of all full size processors.