We only carry top-of-the-line bill validators. For years the best name in the Vending business has been MEI. MEI means quality. MEI has been acquired by Crane and has the same quality standards as MEI. Conlux has also been acquired by Crane and has the same quality standards as MEI. With purchasing a validator or changer quality is always the key. Without a working changer or bill validator, you have unhappy customers and you are not making any money! Eighty percent of your repairs with a vending machine are the changer and the bill validator. Crane MEI brand of validator carries a two-year manufacturer’s warranty and is repairable at any MEI service center.