Product Features:Product Name : push to connect fittingsModel : PCF8-04Net Weight : 135gColor : Silver Tone,BlackMaterial : Plastic,BrassOperating Pressure : 0-1MPaOperating temperature:0 - 60 Degree Celsius;Female Thread Type : NPT TypeType: NPT Straight Thread ConnectorThread Tube Inner Hole Type : RoundThread Size : 1/2" NPTTube Size (OD): 0.31" / 8mm Dimension :30mm x27mm / 1.2-inch x 1.06-inch (L x W) Package Content:4pcs x Quick Fittings Description:1.The quick fitting is designed for Polyurethane or Nylon tubing. Even after installation, the direction of the tube can be changed freely.2.Push-to-connect tube connection on one end and NPT threads on the other end.3.A good release cap can withstand greater and stronger pressure without tripping.4.Have abrasion resistance, light weight, and resistance to crushing and cracking,Compressive and corrosion resistant, good sealing performance and long service life.5.Elliptical release ring help to connect tube easily by manual, no special tools required. Mounted:1.Cut the pipe flat, no slope2.When inserting the pipe into the joint, it must be inserted into the end, otherwise there may be a leak.3.After plugging in, try to pull the tube, if you can't pull it out, it means it has been connected.4.When loosening the tube, first confirm that there is no pressure in the tube, and then evenly press the end cap to the bottom.