Light Weight PTFE Balls , Non-Flammable Black PTFE Slide Be
White PTFE Balls , 2.10g/cm PTFE Soft Joint / PTFE Material
Non-Stick PTFE Balls , 2.30 g/cm PTFE O-Rings For Pipe Fitt
2.30 g/cm PTFE Material With High Pressure Resistance For A