1.Material:pp 2.Seal rubber:viton 3.Size: for (1/8'')3mm ID diameter hose 4.Color:semitransparent 5.Code NO.: AQTCV03 Product details: 1.Material:pp 2.Seal rubber:viton 3.Size: for (1/8’’)3mm ID diameter hose 4.Color:semitransparent 5.Code NO.: AQTCV03 opening pressure < 1.0KP Aback pressure: > 0.3MPA     Major Application1.industrial inkjet 2.wide inkjet printers 3.tester 4.gasoline engine 5.Used for ozone with waterFunction: 1.Prevents damage to equipment, pumps, and flow systems by preventing backflow 2.Tubing barbed check valves are for an inert high purity smooth and clear flow path. 3.Use with liquids and gases for pressure or vacuum applications. 4.The check valves has a low pressure drop and can be specified with a wide variety of cracking pressures 

3mm high quality plastic non return valve