... Port Size: Mini-1/8", 1/4", 3/8"; Midi-1/4", 3/8", 1/2", 3/4"(6 ... ) Min. Standard Normal Flow Rate: Miini: 3L/min; Midi: 6L/min (7) Material Infomation: Housing: Zinc die- ... POM Sealing: NBR;2. OU- Midi- Filter&RegulatorOFR-3/8-Midi, OFR-1/2-Midi, OFR-3/4-MidiSelection CriteriaOrdering exampleModel ... : OFR-1/4--Midi0FR-Midi-F.R(Filter&Regulator), Port Size 1/4 ...