The wafer temperature controller is simplicity at its best. Easy, affordable and reliable - it's not rocket science, but sometimes the simplest works the best. We continue to offer it as an option to those who prefer it's timeless reliability. For over a decade Petiatric Intensive Care units have been standard equipped with this wafer assisted mechanical temperature controller. This type of controller has been used successfully by numerous incubator companies for many years and has been proven accurate and reliable to maintain a carefree constant temperature.

To be on the safe side, these probably should be replaced every 2 years