We have Interstate Pneumatics W1490A 1 Inch Heavy Duty Coalescing Filter with Product Detail Port Size: 1" NPT Filter Element Micron Size: 0.3 Micron Bowl Capacity: 32 Oz. Flow @ 100 PSI: 100 SCFM Bowl Material: Metal . The "Interstate Pneumatics W1490A 1 Inch Heavy Duty Coalescing Filter" is best product for you. We recommended Interstate Pneumatics W1490A 1 Inch Heavy Duty Coalescing Filter