The Emerson Flow Control 053003 7/8" ODF STAS-487-T Filter Drier is a high-quality replacement part designed for Emerson HVAC systems. This filter drier, made of durable steel material, has a 2.5 gallon capacity and a 7/8 inch connection size. It is compatible with various refrigerants such as R12, R22, R500, and R502. The blue color of the filter drier makes it easy to identify and install in your refrigeration system. With its reliable Emerson/ALCO brand reputation, you can trust that this filter drier will effectively filter out impurities and ensure optimal system performance.