The UV sanitizer, it is particularly suited to slice or tissue incubations (brain, heart, skin, muscle etc) that are set up for long durations.
It is a new product, the UVS Sterilizer Unit. This unit is used in-line for sanitizing solutions that feed brain slice keepers or brain slice recording chambers to stop the growth of bacteria. Some bacteria produce toxins or metabolic by-products that can adversely affect neuronal physiology.