DSC-PRM-4W RMA Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: DSC-PRM-4W RMA MANUFACTURER: DSC Product Details Replacement part for PRM-4W. Can only be used for replacement of parts in existing UL CF approved systems. Product Details Back Product DetailsReplacement part for PRM-4W. Can only be used for replacement of parts in existing UL CF approved systems.