This device is a plastic PG style pneumatic fitting connector with 6mm to 4mm reduction.
Specification:
Type: Hose to Hose
Connector Type: 4mm,6mm,8mm,10mm,12mm,14mm,16mm OD Hose
Design: Straight Shape, 2 Ways
Fluid Type: Air / Vacuum
Operating Pressure: 0~10.2kgf/cm2 (0~1.0Mpa)
Negative Pressure: -750mmhg (10 Torr)
Operating Temperature Range: 0~60C
Fit For Tube Material: PU / Nylon, Polyurethane