We have Interstate Pneumatics W1481A 1/2 Inch Large Coalescing Filter with Product Detail Port Size: 1/2" NPT Filter Element Micron Size: 0.3 Micron Bowl Capacity: 16 Oz. Flow @ 100 PSI: 50 SCFM Bowl Material: Metal . The "Interstate Pneumatics W1481A 1/2 Inch Large Coalescing Filter" is best product for you. We recommended Interstate Pneumatics W1481A 1/2 Inch Large Coalescing Filter