Metric Motors is one of a very limited number of NitroFill stations in Putnam County NitroFill is a nitrogen tire inflation product that is guaranteed to provide the benefits of high purity nitrogen inflation to your tires. NitroFill was selected and remains the sole nitrogen tire inflation product used in our Nation’s fleet of B2 bombers. Over the past decade, NitroFill has developed and patented a series of specialized nitrogen generation and conversion stations designed specifically for the automotive service industry. As a result, genuine NitroFill is now available at Metric Motors of Hopewell Junction, so that we can provide you with the many benefits of high purity nitrogen inflation.