The Roman filter, a basic, manual Nutsche filter from DeDietrich, handles pilot plant and small batch processing. It is designed for cGMP requirements and is suitable for CIP and WIP with no crevices or product hold-up areas. All metal surfaces have a standard internal finish of 10-20 Ra microinches and an external finish of 20-30 Ra microinches. The filter accommodates 24/7 operation. The filter plate features a single filtrate outlet nozzle and is built to withstand pressure above the filter plate and full vacuum below.