Aerospace Products

PTI Technologies’ random fiber filter media is the highest performance media on the market today. PTI’s 421® Metal Fiber Media element design extends the life of components and reduces annual maintenance cost, thereby providing a higher level of operational reliability and improved safety.


  • AH-64 Apache
    P/N 7595726-101
  • H-60 Black Hawk
    P/N 7596335-101
  • Aviation Ground Power Unit (AGPU)
    P/N 7600570-101
421® Metal Fiber Media
Product PDF:
421 Brochure.pdf