The Grasso Filter Upper Housing Assembly is a complete unit designed to house the upper section of the filter in refrigeration and HVAC systems. This assembly ensures the filter stays securely in place while efficiently removing contaminants, dirt, and moisture from the refrigerant. By providing protection to the filter and maintaining optimal refrigerant flow, it helps prevent damage to internal components, contributing to the overall system efficiency, reliability, and longevity. This assembly plays a crucial role in maintaining the performance of the equipment.