The TRUE 800805 Freezer Drier is a component used in compatible commercial freezer refrigeration circuits to reduce moisture and capture certain contaminants in the refrigerant system. As refrigerant flows through the drier, its internal desiccant absorbs moisture, while the filter media retains particles that may circulate through the circuit. Keeping moisture and debris under contro... https://partsfe.com/drier-for-true-part-800805