Quality Material: pneumatic fittings with reliable pvc materials, not easy to fall off after connection; They don't break easily, and have sealing performance, not easy to leak; Air valve can be applied for a long time Easy Operation: after installation, you can freely change the direction of the push to connect fitting without manually inserting or pulling; They are easy installation, flexible, save space, freely rotate, release ring ellipse design, easy disassembly High Quality: These air fittings are made of high quality PVC used for automatic industry, workshop equipment, auto repair, decoration paint, woodworking, dental equipment, etc., Weight: 1.48150640064 pounds, Manufacturer: Yoeruers