High air flow output, to prevent ice or frost build up on your interior fins, makes the fridge run more efficient and keeps the fridge cold more evenly thru out. Easy to install, install hardware and videos included with a full 1 year **long lasting ball bearing fans .23amp draw total, Can be manually turned off when not needed, stainless steel mounting clips will give years of service. These fin fans are hand made together so should ever a issue come up or questions arise feel free to contact us, we will always make things right and do all we can to help you.