Lydall’s LydAir® air filtration media and LyPore® liquid filtration media are engineered to meet the needs of the most demanding air and fluid filtration applications, including heavy trucks.  These families of microfiberglass media deliver unmatched value given their premium performance.

Typical Applications

  • Coalescing / Fuel Filtration
  • Hydraulic Oil / Lubrication
  • Transmission
  • Coolant
  • Cabin Air


  • High Reproducibility
  • High Dirt Holding Capacity
  • Easily Wound & Pleated
  • Consistent Bed Volume
  • Low Extractables


  • Consistent Performance
  • Longer Filter Life
  • Adaptable to Application
  • Uniform Liquid Transfer
  • No Unintended Additives    

Product Notes:
Standard LydAir and LyPore microglass filtration media grades are available with a variety of laminated scrims. Contact your Lydall sales representative to learn about these and additional scrim options.