日本pisco弯接头L6-M5M-0.9 PC6-M5M-0.9 RoHS2 Compliant Push-in fitting type fixed orifice joint. It controls air flow. Model type Straight Mini Weight 4.4g  Tube dia. φ6mm Thread size M5x0.8 Orifice bore Orifice boreφN(mm) 0.9 +0.05,0 Effective area(mm2) 0.4